Topodata: Brazilian full coverage refinement of SRTM data

M de Morisson Valeriano, D de Fátima Rossetti - Applied Geography, 2012 - Elsevier
This work presents the selection of a set of geostatistical coefficients suitable for a unified
SRTM data refinement from 3 ″to 1 ″through kriging over the entire Brazilian territory. This …

Effects of DEM source, spatial resolution and drainage area threshold values on hydrological modeling

P Munoth, R Goyal - Water Resources Management, 2019 - Springer
Automated computation of hydrological and morphometric parameters of any watershed are
not only depended on Digital Elevation Model (DEM) resolution but also affected by their …

The limits of watershed delineation: implications of different DEMs, DEM resolutions, and area threshold values

S Datta, S Karmakar, S Mezbahuddin… - Hydrology …, 2022 - iwaponline.com
Identifying and demarcating watershed areas provides a basis for designing and planning
for water resources. In this study, DEMs-based estimates of watershed characteristics of …

Hydromorphological analysis of Upper Tapi river sub-basin, India, using QSWAT model

P Munoth, R Goyal - Modeling earth systems and environment, 2020 - Springer
Morphometric parameters of a drainage basin are quantitative attributes of the landscape
that are derived from the elevation surface and drainage network. The drainage …

Geospatial tool-based morphometric analysis using SRTM data in Sarabanga watershed, Cauvery River, Salem district, Tamil Nadu, India

P Arulbalaji, B Gurugnanam - Applied Water Science, 2017 - Springer
A morphometric analysis of Sarabanga watershed in Salem district has been chosen for the
present study. Geospatial tools, such as remote sensing and GIS, are utilized for the …

Morphometric analysis of aeolian bedforms in the Namib Sand Sea using ASTER data

JE Bullard, K White, I Livingstone - Earth Surface Processes …, 2011 - Wiley Online Library
ABSTRACT The ASTER Global Digital Elevation Model (GDEM) has made elevation data at
30 m spatial resolution freely available, enabling reinvestigation of morphometric …

Visualizing urban social change with self-organizing maps: Toronto neighbourhoods, 1996–2006

ACD Lee, C Rinner - Habitat International, 2015 - Elsevier
Change in the socio-economic status of urban neighbourhoods is a complex phenomenon
with multiple space, time, and attribute dimensions. The objective of this research was to …

GIS‐Based investigation of topography, watershed, and hydrological parameters of Wainganga river basin, Central India

NS Kudnar - Sustainable Development Practices Using …, 2020 - Wiley Online Library
The present study highlights the importance of the Digital Elevation Model (DEM) and
satellite images for assessment of drainage and extraction of their relative parameters for the …

Regionalization of local geomorphometric derivations for geological map** in the sedimentary domain of central Amazônia

M de Morisson Valeriano… - Computers & Geosciences, 2017 - Elsevier
This paper reports procedures to prepare locally derived geomorphometric data for
geological map** at regional scale in central Amazônia. The size of the study area …

[HTML][HTML] Digital elevation model validation with no ground control: application to the topodata dem in Brazil

L Polidori, M El Hage, MDM Valeriano - Boletim de Ciências …, 2014 - SciELO Brasil
Digital Elevation Model (DEM) validation is often carried out by comparing the data with a
set of ground control points. However, the quality of a DEM can also be considered in terms …