Available layers:

Download land surface model per Equi7 region:

  • AF(49)
  • AN(23)
  • AS(56)
  • EU(43)
  • NA(30)
  • SA(28)
  • OC(57)

Grid definition:

Projection system: Equi7 grid
Spatial resolution: 250m
Total size: 3.3 GB


The DEM presented below (projected in equi-distance system hence ready forDEM analysis / flow modelling) was produced as a weighted average between three sources of global DEMs:

The processing steps are explained in detail via the Github repository on WorldGrids. Read more about global DEM data sources: DEM data sources (a review).

Data owner: Public
Reference: Optimisation of global grids for high-resolution remote sensing data



Github repository

Geomorphometry 2015 - Programme


DAY 1: Monday 22.06.2015

09:00-10:00 REGISTRATION  
10:00-10:30 Welcoming remarks and technical information
(Conference hosts, Chair and Vice-chair)
  Session 1: DEM data sources
Chair: Zbigniew Zwoliński
10:30-11:00 Invited lecture: Manfred Zink, Alberto Moreira
TanDEM-X: A Challenging Radar Mission for Generating a New Earth’s Topography
11:00-11:15 Christopher Wecklich, Carolina Gonzalez, Benjamin Bräutigam
Height Accuracy for the First Part of the Global TanDEM-X DEM Data
11:15-11:30 Carlos Grohmann
‘Radiography of the Amazon’ DSM/DTM data: comparative analysis with SRTM, ASTER GDEM
11:30-11:45 Piotr Wozniak
High resolution elevation data in Poland
11:45-12:00 Shangmin Zhao, Li Wang and Wenjiao Wu
Vertical error distribution of ASTER GDEM V2 data based on ICESat/GLA14 data:taking Shanxi Plateau of China as an example
12:00-12:15 COFFEE BREAK  
12:15-12:45 Keynote: Lucian Dragut
Object-oriented geomorphometry
12:45-14:00 LUNCH BREAK  
  Session 2: General Problems of Geomorphometry
Chair: Guoan Tang
14:00-14:30 Invited lecture: Christopher Crosby
OpenTopography: Enabling Online and On-Demand Access to High-Resolution Topography Data for Natural Hazards
14:30-14:45 Zbigniew Zwoliński and Joanna Gudowicz
Geomorphometric analysis of morphoclimatic zones on the Earth
14:45-15:00 Vincent Lecours, Vanessa Lucieer, Margaret Dolan and Aaron Micallef
An Ocean of Possibilities: Applications and Challenges of Marine Geomorphometry
15:00-15:15 Jozef Minar, Jozef Minar and Ian S. Evans
Towards exactness in geomorphometry
15:15-15:30 Karin Ebert, Jerker Jarsjö and Karin Ekstedt
Effects of future sea level rise – the example of the island of Gotland, Sweden
15:30-15:45 COFFEE BREAK  
  Session 3: Geomorphometry in Geology and Geomorphology
Chair: Ian Evans
15:45-16:00 Liyang Xiong and Guoan Tang
Pre-Quaternary paleotopography reconstruction in the Ordos platform and its integration in the loess landform evolution modeling
16:00-16:15 Peter Guth
Geomorphometry of Normal Faults: Abyssal Hills and Continental Rifts
16:15-16:30 Marco Bacenetti, Luca Ghiraldi, Marco Giardino and Luigi Perotti
Analysis of morphometric index to evaluate the tectonic activity: case study from Germanasca valley (NW Italy)
16:30-16:45 Peter Bandura, Jozef Minár, Tatiana Harciníková and Lucian Drăguţ
Towards delineation of the morphostructural division of the Western Carpathians using object-based image analysis
16:45-17:00 Yuichi S. Hayakawa, Hidetsugu Yoshida, Lucian Dragut and Takashi Oguchi
Comparative analysis of manual and automatic extractions of hummock landforms in Mt. Gassan, northwestern Japan
17:00-17:15 Domenico Guida, Antonello Cestari, Alba Cuomo, Francesco Dramis, Vincenzo Palmieri and Vincenzo Siervo
The Salerno University Geomorphological Informative Mapping System: the Licosa polygenetic case study (Cilento European geopark, southern Italy)
17:30-19:00 Poster Session
Chairs: Jarosław Jasiewicz and Carlos Grohmann
19:00-… Geomorphometry society meeting (elections)  

Poster Session

Day 1 Poster Session
Chairs: Jarosław Jasiewicz and Carlos Grohmann
Cheng-Zhi Qin, Xue-Wei Wu, Yanjun Lu, Jing-Chao Jiang and A-Xing Zhu
Case-based formalization of knowledge on digital terrain analysis
Magdy Torab and Nora Dalal
Natural hazards mapping of mega waves on the NW coast of Egypt
Piotr Kłapyta and Natalia Kolecka
Combining laser scanning with field mapping and Schmidt-hammer relative age dating - examples from the Babia Góra range (Westen Carpathians, Poland)
Aleksander Adamczyk, Marcin Sobiech, Agata Urbańska and Wojciech Wysota
Geomorphometric analysis of glacial curvilineations (GCL) in Dobrzyń Lakeland, Central Poland
Lucas Ruiz and Xavier Bodin
Analysis and improvement of surface representativeness of high resolution Pléiades DEMs: Examples from glaciers and rock glaciers in two areas of the Andes
Ruqiao Jiang and Guoan Tang
A Method of Depression Filling with Consideration of Local Micro-relief Features
Marcin Brach and Jarosław Chormański
Comparison of digital elevation models of riparian wetland generated from airborne laser scanning of different accuracy
Edina Józsa
Extracting possible terrace surfaces from digital elevation models – methodological issues and case study from Hungary
Ângelo Moura Araújo, Paulo Pereira, Renato Henriques and Diamantino Pereira
Water resources assessment using GIS procedures: application in Ceará State (Brazil)
Adriana Sărășan and Lucian Drăguț
Assessing contextual information from SRTM data as abasis for classifying landform types. Case study: dune fields
Maciej Hajdukiewicz
The potential accuracy of the survey of landform changes using archival orthophotos: case study of the Białka River valley
Milena Różycka, Aleksandra Michniewicz, Piotr Migoń and Marek Kasprzak
Identification and morphometric properties of landslides in the Bystrzyckie Mountains (Sudetes, SW Poland) based on data derived from airborne LiDAR
Małgorzata Mazurek
Geomorphometric attributes of channel heads initiated by seepage erosion in a postglacial zone (NW Poland)
Virginia Ruiz-Villanueva, Markus Stoffel and Hanna Hajdukiewicz
Understanding large wood deposition during floods: a modelling approach
Cezary Kaźmierowski, Jakub Ceglarek,Jerzy Cierniewski, Jarosław Jasiewicz, Sławomir Królewicz, Michał Wyczałek
Soil surface roughness quantification using DEM obtained from UAV photogrammetry
Barbara Czajka, Adam Łajczak and Ryszard J. Kaczka
The influence of asymmetrical slopes on timberline course at Babia Gora Mountain (Western Carpathians)
Joanna Gudowicz
Effects of DEM quality on SWAT model stream flow and sediment simulation
Ling Jiang, Guoan Tang and Chun Wang
Extraction and analysis of loess gully heads based on grid terrain datasets
Mateusz Kędzior and Jarosław Zawadzki
Comparison of three Topographic Wetness Indices against soil moisture estimates over Vistula basin
Ryszard J. Kaczka, Michał Lempa, Katarzyna Stachniak, Barbara Czajka and Zofia Rączkowska
The geometry of timberline as an indicator of active and inactive avalanche paths
Zbigniew Zwoliński and Estera Stefańska
Relevance of moving window size in landform classification by TPI
Zbigniew Zwoliński and Ewa Sznigir
Spatial distribution of hypsometric curves within the Parsęta River drainage basin (Poland) as a geoindicator of geomorphological hazards

DAY 2: Tuesday 23.06.2015

  Session 4: Processing of High-resolution digital elevation data
Chair: Tomasz Stepinski
9:00-9:30 Invited lecture: Piotr Wezyk
Making the invisible visible – the DTM modelling in complex environments
9:30-9:45 Waldemar Kociuba
Geometrical parameters of TLS-based DEM acquisition for a small Arctic catchment (Svalbard SW)
9:45-10:00 Marjan Temovski and Ivica Milevski
DEM based geomorphometric analyses of karst surface in the Republic of Macedonia
10:00-10:15 Michal Gallay, Ján Kaňuk, Jaroslav Hofierka, Zdenko Hochmuth and John Meneely
Mapping and geomorphometric analysis of 3-D cave surfaces: a case study of the Domica Cave, Slovakia
10:15-10:30 Marek Kasprzak, Artur Sobczyk, Szymon Kostka and Anna Haczek
Surface geophysical surveys and LiDAR DTM analysis combined with underground cave mapping – an efficient tool for karst system exploration: Jaskinia Niedźwiedzia case study (Sudetes, SW Poland)
10:30-10:45 COFFEE BREAK
  Session 5: Landscape modeling using DEM
Chair: Tomislav Hengl
10:45-11:00 Ian Evans and Nicholas J. Cox
Size and shape of glacial cirques
11:00-11:15 Andrea Mandarino, Francesca Ferraris and Marco Firpo
Understanding landscape evolution by using DEM analysis, low order channels gradient and Asymmetry Factor: the case study of the upper Scrivia river basin (Northern Apennines, Italy)
11:15-11:30 Fayuan Li and Mingwei Zhao
Slope landscape change in a simulated watershed
11:30-11:45 Ivica Milevski and Anita Milevska
Improvement of slope angle models derived from medium to fine-scale DEM’s Key study: Skopje area
11:45-12:00 COFFEE BREAK
12:00-12:30 Invited lecture: Tomasz Niedzielski, Bartlomiej Mizinski, Dapeng Yu
Hydrological forecasting in real time: an experimental integrated approach
  Keynote: Markus Metz
Searching for water: hydrological modelling concepts in GRASS GIS
12:30-13:45 LUNCH BREAK
  Session 6: Hydrological Modeling using DEM
Chair: Josef Minar
14:00-14:15 Jarosław Jasiewicz, Jolanta Czerniawska
Conditional hydrological simulations as a tool for analysis of denudational transformation of post-glacial plains
14:15-14:30 Laura Coco, Viviana Cestrone and Marcello Buccolini
Geomorphometry for studying the evolution of small basins: an example in the Italian Adriatic foredeep
14:30-14:45 Libor Burian, Andrey Mitusov and Poesen
Relationships of attributes of gullies with morphometric variables
14:45-15:00 Adam Łajczak, Barbara Czajka and Ryszard Kaczka
Reinterpretation of morphometry of headwater areas using LiDAR data in homoclinal flysch mountain ridge modelled by landslides. Case study of the Babia Góra Mt., the Western Carpathians
15:00-15:30 COFFEE BREAK
  Session 7: Morphometric parameters
Chair: Helena Mitasova
15:30-15:45 Ovidiu Csillik, Ian S. Evans and Lucian Drăguț
Automated transformation of slope and surface curvatures to avoid long tails in frequency distributions
15:45-16:00 Xiaoli Huang, Kai Liu and Liyang Xiong
The Influence of DEM Resolution on the Extraction of Terrain Texture
16:00-16:15 Bartlomiej Szypula
Relief Index (RI) as a simple tool for geomorphometry
16:15-16:30 Shuanglin Liu, Fayuan Li, Ruqiao Jiang, Ruixue Chang and Wei Liu
A Method of Automatic Topographic Recognition Based on Slope Spectrum
16:30-16:45 Vincent Lecours, Alvin Simms, Rodolphe Devillers, Vanessa Lucieer and Evan Edinger
Finding the Best Combinations of Terrain Attributes and GIS software for Meaningful Terrain Analysis
16:45-17:00 Scott Peckham
Longitudinal Elevation Profiles of Rivers: Curve Fitting with Functions Predicted by Theory
19:00– Conference dinner

DAY 3: Wednesday 24.06.2015

  Session 8: Novel approches in geomorphometry
Chair: Steve Kopp
9:00-9:30 Invited lecture: Tomasz F. Stepinski, Jaroslaw Jasiewicz, Pawel Netzel and Jacek Niesterowicz
Doing Geomorphometry with Pattern Analysis
9:30-9:45 Przemysław Stpiczyński, Dominik Szałkowski, Leszek Gawrysiak and Łukasz Chabudziński
Hybrid implementation of evaluation of primary topographic parameters using GPU-accelerated clusters
9:45-10:00 Sergio Camiz and Maurizio Poscolieri
Geomorfo: a program for the classification of terrain units
10:00-10:15 Jarosław Jasiewicz, Alfred Stach, Jakub Nowosad
Terrain misclassification problem – analysis using pattern simulation approach
10:15-10:30 Anita Bernatek
Visualizing morphometric changes in a piping system using DEM and GIS analysis: the Bieszczady Mts., Poland
10:30-10:45 COFFEE BREAK
  Session 9: Monitoring of natural hazards I
Chair: Marco Giardino
10:45-11:00 Charles Jackson
Caution: dust storms may do exist (and so do mountains): Modeling dust source suitability within an object-oriented geoecology
11:00-11:15 Viktor Kaufmann and Andreas Kellerer-Pirklbauer
Regional quantification of rock glacier movement in Central Austria using governmental GIS data
11:15-11:30 Rafal Wawer and Artur Lopatka
Thermal satellite scenes in single event modelling of wind erosion
11:30-11:45 Vaclav Petras, Helena Mitasova and Anna Petrasova
Mapping gradient fields of landform migration
11:45-12:00 COFFEE BREAK
12:00-12:30 Keynote: Marco Giardino, Luigi Perotti, Walter Alberto, Sara Ratto
Multidimensional approach to natural instabilities in mountain areas: how geomorphometry can improve both hazard modelling and risk perception
12:30-13:45 LUNCH BREAK
  Session 10: Monitoring of natural hazards II
Chair: Marco Giardino
13:45-14:15 Invited lecture: Steve Kopp
[Expanding the reach of Geomorphometry through Web GIS
14:15-14:30 Janusz Wasowski, Fabio Bovenga, Raffaele Nutricato, Davide Oscar Nitti and Maria Teresa Chiaradia
High resolution satellite SAR multi temporal interferometry for regional scale detection of landslide and subsidence hazards
14:30-14:45 François Clapuyt, Veerle Vanacker, Kristof Van Oost and Fritz Schlunegger
Very-high resolution monitoring of movement of surface material within a landslide
14:45-15:00 Xavier Bodin, Dario Trombotto and Alvaro Soruco
Evaluation of a terrestrial photogrammetry method for the study of high mountain dynamics. Quebrada del Medio rock glacier, Mendoza, Argentina
15:00-15:15 COFFEE BREAK
  Session 11: Geomorphometry for natural hazards geomodeling
Chair: Piotr Weżyk
15:15-15:30 Mario Kummert and Reynald Delaloye
Quantifying sediment transfer between the front of an active alpine rock glacier and a torrential gully
15:30-15:45 Rafał Kroczak and Tomasz Bryndal
An attempt to assess the influence of road network on flash flood wave parameters. The case study of the Carpathian Foothills
15:45-16:00 Mihai Niculita
Automatic extraction of landslide flow direction using geometric processing and DEMs
16:00-16:15 Daniele Strigaro, Massimiliano Moretti, Matteo Mattavelli, Mattia De Amicis, Valter Maggi and Antonello Provenzale
Development of GIS methods to assess glaciers response to climatic fluctuations: a Minimal Model approach
16:30-17:15 Life achievement awards / Best paper awards
Towards Geomorphometry 2017
17:15– Short Trip: Meteorite crater Morasko

DAY 4: Thursday 25.06.2015

Parrallel workshops

Room Morning
  Jarek Jasiewicz
GRASS GIS and R as a tool for large-scale geomorphometric mapping
Jarek Jasiewicz, Markus Metz
Hydrological modeling in GRASS GIS
  Jonathan de Ferranti/Jacek Niesterowicz
World-wide DEM
Tom Hengl
Automated DEM data analysis using R + SAGA + Google Earth
ESRI ArcGIS Pro – new desktop application from Esri
ESRI ArcGIS Pro – new desktop application from Esri
  Martin Isenburg
Hands-on intro to LiDAR processing with LAS tools
Fabio Bovenga, Janusz Wasowski
Radar interferometry for ground motion analysis

DAY 5: Friday, 8:00 A.M 26.06.2015

All-day conference trip

Adam Mickiewicz Square, City Centre near Adam Mickiewicz Monument

Mirosław Makohonienko, Małgorzata Mazurek

Transformation (normalization) tool

Short title: transform

Inputs: Slope raster or curvature raster; any other variables with skewed or long-tailed distributions
Outputs: Normalized slope or curvature raster; a text file informing about transformation used and new skewness/kurtosis.

For INSTRUCTIONS, please visit:

Csillik, O., Evans, I.S., Drăguţ, L., 2015. Transformation (normalization) of slope gradient and surface curvatures, automated for statistical analyses from DEMs. Geomorphology 232(0): 65-77.

Purpose and use:

Automated procedures are developed to alleviate long tails in frequency distributions of morphometric variables. They minimize the skewness of slope gradient frequency distributions, and modify the kurtosis of profile and plan curvature distributions towards that of the Gaussian (normal) model. Box-Cox (for slope) and arctangent (for curvature) transformations are used. The transforms are applicable to morphometric variables and many others with skewed or long-tailed distributions. It is suggested that such transformations should be routinely applied in all parametric analyses of long-tailed variables. Our Box-Cox and curvature automated transformations are based on a Python script, implemented as an easy-to-use script tool in ArcGIS.

Programming environment: Python
Status of work: Public Domain

Geomorphometry Newsletter November 2014

This is to remind all our members that the submission deadline for the is due in 5 days i.e. on 28th of November. If you plan to participate in the conference next year in Poznan, this is your last chance to submit an extended abstract and compete for one of the oral talks. Please note that there will be no extensions of this deadline! For more information please feel free to contact the organizing committee.

Instructions: To submit a 2-4 pages summary papers for the Geomorphometry 2015 use the EasyChair conference system. Do not submit your work by e-mail. Do not submit MS word documents but only PDF versions of your paper. Detailed instructions on how to preprare you extended abstract and how to submit it are available here. Each submission will go through a peer-review process and will be rated by the members of the scientific committee. Revisions and final acceptance of the extended abstracts will be closed in February 2015. After that we will publish the working programme of the conference and open the full registrations. We look forward to seeing you in Poznan!!

Important dates:

  • Extended abstracts due: 28 November 2014
  • Notification of acceptance (revisions): 1 February 2015
  • Workshop proposals due: 1 February 2015
  • Final camera-ready digital manuscripts due: 1 May 2015
  • Early registration deadline: 1 May 2015
  • Conference date: 22-26 June 2015

At We are expecting a number of exciting keynotes, invited lectures and workshops. Here is one more time the complete list:

  • Marco Giardino, School of Natural Sciences, University of Torino, Italy: “Multidimensional approach to natural instabilities in mountain areas: how geomorphometry can improve both hazard modelling and risk perception”
  • Markus Metz, GRASS Development Team, Fondazione Edmund Mach, Trento, Italy: “Searching for water: hydrological modelling concepts in GRASS GIS”
  • Lucian Drăguţ, West University of Timisoara, Romania: “Object-oriented geomorphometry”
  • Tomasz Stepinski, Space Informatics Lab, University of Cincinnati, Ohio, United States: “Doing Geomorphometry with Pattern Analysis”
  • Piotr Wężyk, Laboratory of Geomatics, University of Agriculture in Krakow, Poland: “Making the invisible visible – the DTM modelling in complex environment”
  • Alberto Moreira, Microwaves and Radar Institute, German Aerospace Center, Oberpfaffenhofen, Germany: “TanDEM-X: A Challenging Radar Mission for Generating a New Earth’s Topography”
  • Christopher Crosby, Open Topography Group, United States: “OpenTopography: Enabling Online and On-Demand Access to High-Resolution Topography Data for Natural Hazards”
  • Tomasz Niedzielski, Institue of Geography and Regional Development, University of Wrocław, Poland: “Hydrological forecasting in real time: an experimental integrated approach”
  • Steve Kopp, Environmental System Research Institute, Redlands, CA, United States: “Expanding the reach of Geomorphometry through Web GIS”

WorldDEM, the new global elevation data set with resolution of 12 m and amazing vertical accuracy of <±2 m ( is now available for pre-order. See availability of the finished tiles at

If you are looking for high resolution global full coverage DEM data (based on the SRTM DEM), Christoph Hormann and Jonathan de Ferranti have prepared a public repository where you can download 3’’ arcsec resolution data ( at no cost. The authors claim that these tiles have been filled and corrected from the best available alternative sources. See also external links to an independent review, and some photographic comparisons.

Geomorphometry community is now also on G+. Join this community and post opinions, announcements and short stories and follow up the work of your colleagues…

Geomorphometry 2015 Keynote and Invited speakers

Invited lecturers

Tomasz Stepinski, Space Informatics Lab, University of Cincinnati, Ohio, United States

Tomasz Stepinski is the Thomas Jefferson Chair Professor of Space Exploration at the University of Cincinnati, is a widely recognized researcher in the fields of automated mapping of planetary and terrestrial surfaces, and the auto-analysis of big geospatial data. Stepinski obtained the M.Sc. degree in astrophysics from Warsaw University and the Ph.D. degree in Applied Mathematics from the University of Arizona. Before arriving to Cincinnati, he has served for 20 years as a staff scientist at the NASA-funded Lunar and Planetary Institute in Houston, Texas. He is a Director of Space Informatics Lab:

“Doing Geomorphometry with Pattern Analysis”

Geomorphometryis the science of quantitative land-surface analysis. However, commonly used analytical tools work well only on small study areas, whereas very large DEM datasets are now available. Examples include SRTM which is large due to its global geographical coverage and numerous LIDAR datasets which are large due to their fine spatial resolution. Over the last few years we have developed a pattern-based approach aimed at analysis of land-surfaces on continental or global scales using medium resolution DEMs or at local land surfaces using very high resolution DEMs. For very large datasets a local geomorphologic reality is best assessed from a broader spatial context rather than form a given location and its immediate neighborhood. To translate this insight into a practical analytic tool we translate local DEM data into spatial categorical pattern. A limited number of categories corresponding to landform elements are calculated using geomorphons method. Similarity between two local patterns is a core concept that underpins tools for large scale land-surface analysis. All tools are collected into a GRASS GIS-based toolbox GeoPAT which is in a public domain ( Using GeoPAT allows addressing questions which would be difficult to even formulate without it. These include search and retrieval of similar landscapes based exclusively on their content, supervised and unsupervised automatic mapping of physiographic units, and fast comparison of different models or surface features extractions methods in a fashion reminiscent of change detection in remote sensing. Specific examples featuring 30 m datasets covering the entire surface areas of Poland and the United States will be presented demonstrating all new tools and their practical applications. We will also demonstrate implementation of landscape search and retrieval as a GeoWeb application.

Piotr Wężyk, Laboratory of Geomatics, University of Agriculture in Krakow, Poland

Assist. Prof. at the Laboratory of Geomatics. Professional experience in international research and development projects on: GIS, Photogrammetry, Remote Sensing, Image Processing (Stereomatching, GEOBIA), GNSS and LiDAR technology applications in: management and monitoring of the environment, nature protection from natural hazards and forestry sector. Chairman of the SIG Forestry at EARSeL. Involved in several national-wide projects in Poland: training of using the aerial photos (PHARE PL 1997-98), (INSPIRE), Information System of Country Protection Against Extraordinary Hazards (ISOK) and co-operation with: Ministry of Environment, Head Office of Geodesy and Cartography, Polish State Forest, General Directorate of Nature Protection, National Parks and the public administration bodies.

“Making the invisible visible – the DTM modelling in complex environments”

Forests and water are the basic environments on maps from the early days of cartography but by its complexity very difficult for detailed mapping.The wooded areas a specially those covered by multi-layer evergreen dense vegetation are a challenge for detailed modelling of DTM because of lack of ground truth data. The traditional photogrammetry approach and the GNSS survey is very limited due to the dense canopy and multipath errors. Water bodies like: sea, lakes or rivers cause serious problems with measurement of the bed. Therefore the state of the art technologies are developed for wide-area precision mapping and 3D modelling. In the lecture the overview of the different remote sensing methods will be given through aerial and satellite stereo-photogrammetry, radar and specially the Airborne Laser Scanning (ALS) technology will be presented (topographic and bathymetric scanners). A special part of the presentation will concern the integration of ALS with Terrestrial Laser Scanning (TLS) technology. The precise DTM models besides his role in geomorphology, archaeology or landslide monitoring are crucial for the quality of the generation of derived products like normalised Digital Surface Models (nDSM). Those models (nDSM known also as Crown Height Models= CHM ) are very important e.g. for: foresters, ecologist and landscape planers. DTM mapping of river and see bed can deliver very important information concerning the natural environments and different hazards a specially when integration of multi-source information may led to continuous surface data. The using of TLS and handy scanners opens up new possibilities to capture and 3D modeling of underground surfaces such as caves or mines that can be integrated with DTM based on ALS.

Manfred Zink, Microwaves and Radar Institute, German Aerospace Center, Oberpfaffenhofen, Germany

Since the late 80s Dr. Manfred Zink has been working for DLR’s Microwaves and Radar Institute and has pioneered calibration techniques for both air- and spaceborne SAR sensors. He was the Lead Calibration Engineer for the SIR-C/X-SAR space shuttle missions in 1994 and for the Shuttle Radar Topography Mission in 2000. From 2000 to 2005 he was with the European Space Agency (ESA), where he was responsible for the calibration/validation of the ASAR onboard the ENVISAT satellite and later took the position of the Principal System Engineer for ESA’s TerraSAR-L Program. In 2005, he returned to the Microwaves and Radar Institute, where he is currently heading the Satellite SAR Systems Department and managing the TanDEM-X Mission and Ground Segment.

“TanDEM-X: A Challenging Radar Mission for Generating a New Earth’s Topography”

TanDEM-X is a challenging mission. It consists of a synthetic aperture radar interferometer with two almost identical satellites flying in a closely controlled formation. With a typical separation between the satellites of 150 to 500 m a global Digital Elevation Model (DEM) with 2 m relative height accuracy at 12 m posting is being generated. While data acquisition has been finished mid-2014, the processing of the global TanDEM-X DEM will be concluded by end 2015. Final DEMs for most of Australia, a large part of North America, South America, Africa and Siberia are already available for scientific and commercial applications. The results achieved so far are well within the expected performance for the global DEM. Beginning in October 2014, a 15-month science phase of the TanDEM-X mission offers the opportunity to generate DEMs with even higher accuracy for selected areas, and to explore and demonstrate the new scientific applications of this unique mission.

Christopher Crosby, Open Topography Group, United States

hristopher Crosby is Geodetic Imaging and OpenTopography Project Manager at UNAVCO in Boulder, CO, USA. Trained as a geologist, Crosby has worked on paleoseismology, earthquake geology, and active tectonics research in the western US, Caribbean, and Central Asia. He has expertise in the development of cyberinfrastructure to manage and improve access to earth science data and processing tools. Crosby is co-founder, co-PI, and manager of OpenTopography (, an NSF-funded portal to high-resolution topography data and tools. In addition, he manages the terrestrial laser scanning and InSAR programs at UNAVCO, a non-profit university-governed consortium funded by the US National Science Foundation and NASA, that facilitates geoscience research and education using geodesy.

“OpenTopography: Enabling Online and On-Demand Access to High-Resolution Topography Data for Natural Hazards”

OpenTopography ( is a U.S. National Science Foundation-funded web-based system designed to democratize access to earth science-oriented lidar and other topography data. OpenTopography provides free, online access to lidar data in a number of forms, including point clouds and associated geospatial tools for customized on-demand processing and analysis. Topographic data are co-located with processing tools to enable users to generate digital elevation models, and derived geomorphometric products and visualizations. This presentation will highlight examples of OpenTopography hosted-data used in natural hazards research and event response, and will also discuss strategies being explored to facilitate rapid and scaleable processing of topographic data following a natural disaster.

Tomasz Niedzielski, Institue of Geography and Regional Development, University of Wrocław, Poland

Tomasz Niedzielski works as a Professor at the University of Wrocław, Poland, and serves as a Head of Department of Geoinformatics and Cartography. He is an expert in modelling and prediction of numerous processes in Earth sciences, with a particular emphasis put on applications of mathematical models in hydrology, physical oceanography and geophysics. His expertise includes real-time systems for forecasting peak flows and for predicting dynamics of sea surface topography. Prof. Niedzielski’s background is applied mathematics and geography. He gained his doctoral and habilitation degrees at Warsaw University of Technology and the University of Wrocław. He also worked at the University of Aberdeen in the UK as well as in Polish research institutions: the Space Research Centre of Polish Academy of Sciences and Wrocław Centre for Networking and Supercomputing of Wrocław University of Technology.

“Hydrological forecasting in real time: an experimental integrated approach”

One of the roles of geosciences is to provide the society with efficient tools that may diagnose or predict various environmental hazards. Floods are among such events, and hence there is an ongoing need to develop and improve hydrological models. However, especially in mountainous catchments which respond quickly to extreme rainfall, the need covers not only predictive models but also real-time systems that produce and publish up-to-date predictions with sub-hour update frequency. This includes forecasting both the hydrograph and inundation. The objective of the talk is to present a novel approach that integrates the real-time system for forecasting hydrograph, known as HydroProg, with the following two elements: the real-time inundation model that simulates the flood extent on the top of the Digital Elevation Model (DEM) and the on-demand monitoring of inundation using the unmanned aerial vehicle (UAV). Although skills of the hydrograph prediction models are relatively easy to assess, the problem arises when we want to evaluate the performance of inundation models. This can be done as a near real-time procedure, initiated automatically when the HydroProg and the associated inundation model produce flood alert, making use of the UAV for oblique photogrammetry. The UAV-taken aerial photographs enable production of orthophoto images which are utilized to check the accuracy of spatial predictions of flood extent. The prototype of the comprehensive integrated system is presented during the talk, and the results are based on the experimental implementation of the HydroProg system in the Nysa Kłodzka River basin (SW Poland).

Steve Kopp, Environmental System Research Institute, Redlands, CA, United States

Steve Kopp is a Program Manager on the Geoprocessing and Spatial Analysis team at Esri where he has been designing, testing, and writing about terrain analysis and diverse applications of GIS technologies for 25 years. He is an author, coauthor, and technical editor for numerous books, software manuals, and refereed journal articles related to spatial modeling, map projections, atmospheric science, and water resources, including Digital Elevation Model Technologies and Applications: The DEM Users Manual.
His areas of specific research interest include spatial modeling, surface hydrology, and dissemination of spatial science to a broadening community. Mr. Kopp has a Masters degree in Geography from Indiana State University with an emphasis in remote sensing and hydrology.

“Expanding the reach of Geomorphometry through Web GIS”

The explosion of easily accessible spatial data and apps is transforming the how scientists and citizens perceive geography. Nearly everyone with internet access now works with maps almost daily. For geospatial professionals, it has become easier to share their authoritative data with other scientists. It is now possible to create reliable, scalable web services, with no programming and limited IT skills. Access to better data is allowing scientists to create better models and forecasts. Web services, in this case analytic or geoprocessing services, provide a mechanism for modelers to easily share their authoritative modeling with others. An emerging pattern is to combine these services into simple web applications tailored for specific users. In the case of Geomorphometry use cases such as landslides and floods, such applications leverage web services to plan for a possible disaster event, inform the public about possible risk, and support timely response following a disaster.

Keynote Speakers

Marco Giardino, School of Natural Sciences, University of Torino, Italy.

Associate Professor at the School of Natural Sciences. Previously, researcher at the National Research Council. His studies in Applied Geomorphology (geothematic mapping, remote sensing) concern geodiversity and evolutionary processes of the alpine relief, the assessment of natural hazards and risks. He is also devoted to the protection of geoheritage and to Earth Science education. His partnerships: USGS Geologic Hazard Team; Université de Savoie; University of Lausanne, Tripura University, Simon Fraser University. He is a member of the Italian Glaciological Committee, secretary of the Association of European Geological Societies (AEGS), co-chair of the IAG/AIG (International Association of Geomorphologists ) Working Group on Landform Assessment for Geodiversity, and coordinator of the “geoNatHaz” project of EU-Canada university co-operation on natural hazards and risks.

“Multidimensional approach to natural instabilities in mountain areas: how geomorphometry can improve both hazard modelling and risk perception”

Natural hazards and risks assessment in mountain areas is a challenging issue because of on going environmental changes associated with climate change and increasing impacts on infrastructure and socio‐economic and cultural activities. Since behaviour on mountain communities towards natural hazards is mostly influenced by the “perceived risk” than the “real risk”, research should be addressed both to accurate hazards modelling and targeted applications of new technologies for diffusion of scientific results. Geomorphometry can be useful for both accurate hazards modelling and targeted risks management. By means of a multidimensional approach (local, regional) to natural hazards and risks applied in mountain areas of the European Alps and the Canadian Cordillera, the paper will demonstrate the strategic roles played by accurate DEM derived data and targeted analytical tools by geomorphometry for:
1) enhanced accuracy of models of diverse geoenvironmental processes and
2) improved knowledge on natural hazards and awareness on natural risks

Markus Metz, GRASS Development Team, Fondazione Edmund Mach, Trento, Italy

Markus Metz studied biology in Cologne, Berlin, Munich and Oldenburg and finished his PhD in animal behaviour in 2005. As freelance GIS consultant he participated in various projects in southern Africa (evaluation of endangered ecosystems, soil mapping, hydrological modelling). Since 2011 he holds a postdoc position at the Fondazione Edmund Mach in Italy, developing climatic models for risk assessment of vector-borne diseases. He joined the GRASS GIS development team in 2007, maintaining modules for hydrological modelling and the GRAS GIS vector engine.

“Searching for water: hydrological modelling concepts in GRASS GIS”

The lecture will start with a brief introduction to pre-processing of digital elevation models (DEM) with an emphasis on DEM preparation for hydrological modelling. The standard procedure for 2D hydrological modelling will be explained, as well as the deviation of some GRASS GIS modules from this standard procedure. The results of DEM-based 2D hydrological modelling (flow directions, surface flow accumulation, basin delineation) are the basis of further analytical steps. The lecture will then describe stream network extraction in GRASS GIS and illustrate methods for further stream network analysis. Finally, the capabilities of GRASS GIS to process big data will be illustrated.

Lucian Drăguţ, West University of Timisoara, Romania

PhD in geography is a lecturer at the West University of Timisoara, Romania. He has 15+ years of professional experience in teaching and research in Romania, Austria, United States, Japan and Canada. He is a specialist in Geographic Information Science, Geomorphometry, and Remote Sensing. Results of his research have been published in Geomorphology, Frontiers in Ecology and the Environment, International Journal of Geographical Information Science, Computers & Geosciences, Journal of Archaeological Science, ISPRS Journal of Photogrammetry and Remote Sensing, and book chapters. He has received two prestigious fellowships- Fulbright and Marie Curie- and served as a member in the Scientific Board of the Earth Sciences Committee, Romanian National Research Council.

“Object-oriented geomorphometry”

This contribution provides an overview of object representation from digital elevation models in the context of specific geomorphometry and geomorphological mapping. It is shown that object representation (e.g. as landforms) in geomorphometry is a particular case of geographic data modelling, thus sharing a difficult question: how to discretize fields in order to represent them? Translation from continous models of altitude and its derivatives to landform divisions is challenged by scale and purpose. The current approaches to delineation of landforms are reviewd, with an emphasis on land-surface segmentation and its potential to geomorphometry.

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Laipelt L., Andrade B.C., Collischonn W., Teixeira A.A., Paiva R.C.D., Ruhoff A., 2024. ANADEM: A Digital Terrain Model for South America. Remote Sensing 16(13):2321.

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Check the full announcement at

Please support in testing this release candidate.

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Riazanoff, S.; Corseaux, A.; Albinet, C.; Strobl, P.A.; López-Vázquez, C.; Guth, P.L.; Tadono, T. Best BiCubic Method to Compute the Planimetric Misregistration between Images with Sub-Pixel Accuracy: Application to Digital Elevation Models. ISPRS Int. J. Geo-Inf. 13, 96.