Uncertainties associated with digital elevation models for hydrologic applications: a review
SP Wechsler - Hydrology and Earth System Sciences, 2007 - hess.copernicus.org
Digital elevation models (DEMs) represent the topography that drives surface flow and are
arguably one of the more important data sources for deriving variables used by numerous …
arguably one of the more important data sources for deriving variables used by numerous …
Preparation of DEMs for geomorphometric analysis
Publisher Summary This chapter gives guidance on how to prepare elevation data for
geomorphometric analysis. It outlines some common errors in raw digital elevation model …
geomorphometric analysis. It outlines some common errors in raw digital elevation model …
Whitebox GAT: A case study in geomorphometric analysis
JB Lindsay - Computers & Geosciences, 2016 - Elsevier
This paper describes an open-source geographical information system (GIS) called
Whitebox Geospatial Analysis Tools (Whitebox GAT). Whitebox GAT was designed to …
Whitebox Geospatial Analysis Tools (Whitebox GAT). Whitebox GAT was designed to …
Perspectives on digital elevation model (DEM) simulation for flood modeling in the absence of a high-accuracy open access global DEM
Open-access global Digital Elevation Models (DEM) have been crucial in enabling flood
studies in data-sparse areas. Poor resolution (> 30 m), significant vertical errors and the fact …
studies in data-sparse areas. Poor resolution (> 30 m), significant vertical errors and the fact …
An efficient method for identifying and filling surface depressions in digital elevation models for hydrologic analysis and modelling
Identification and removal of surface depressions is a critical step for automated modelling of
surface rainfall runoff based on Digital Elevation Models (DEMs). At present, nearly all GIS …
surface rainfall runoff based on Digital Elevation Models (DEMs). At present, nearly all GIS …
Geomorphometry and landform map**: What is a landform?
IS Evans - Geomorphology, 2012 - Elsevier
Starting from a concept of the land surface, its definition and subdivision from Digital
Elevation Models (DEMs) is considered. High-resolution DEMs from active remote sensing …
Elevation Models (DEMs) is considered. High-resolution DEMs from active remote sensing …
The evaluation of unmanned aerial system-based photogrammetry and terrestrial laser scanning to generate DEMs of agricultural watersheds
MM Ouédraogo, A Degré, C Debouche, J Lisein - Geomorphology, 2014 - Elsevier
Agricultural watersheds tend to be places of intensive farming activities that permanently
modify their microtopography. The surface characteristics of the soil vary depending on the …
modify their microtopography. The surface characteristics of the soil vary depending on the …
Digital terrain modeling
JP Wilson - Geomorphology, 2012 - Elsevier
This article examines how the methods and data sources used to generate DEMs and
calculate land surface parameters have changed over the past 25years. The primary goal is …
calculate land surface parameters have changed over the past 25years. The primary goal is …
A very efficient O (n), implicit and parallel method to solve the stream power equation governing fluvial incision and landscape evolution
We present a new algorithm to solve the basic stream power equation, which governs
channel incision and landscape evolution in many geomorphic settings. The algorithm is …
channel incision and landscape evolution in many geomorphic settings. The algorithm is …
Efficient hybrid breaching‐filling sink removal methods for flow path enforcement in digital elevation models
JB Lindsay - Hydrological Processes, 2016 - Wiley Online Library
Digital elevation models (DEMs) that are used in hydrological applications must be
processed to remove sinks, mainly topographic depressions. Flow enforcement techniques …
processed to remove sinks, mainly topographic depressions. Flow enforcement techniques …