Assessing the impacts of anthropogenic drainage structures on hydrologic connectivity using high‐resolution digital elevation models

S Bhadra, R Li, D Wu, G Wang… - Transactions in …, 2021 - Wiley Online Library
Delineating accurate flowlines using digital elevation models is a critical step for overland
flow modeling. However, extracting surface flowlines from high‐resolution digital elevation …

[PDF][PDF] Improving overland flow routing by incorporating ancillary road data into digital elevation models

GD Duke, SW Kienzle, DL Johnson… - Journal of Spatial …, 2003 - researchgate.net
Roads, ditches, and culverts influence hydrological and geomorphological processes
significantly. However, most hydrological models continue to rely solely on regional digital …

Comparison of two algorithms for removing depressions and delineating flow networks from grid digital elevation models

A Srivastava - 2000 - vtechworks.lib.vt.edu
Digital elevation models (DEMs) and their derivatives such as slope, flow direction and flow
accumulation maps, are used frequently as inputs to hydrologic and nonpoint source …

Advances in the mapping of flow networks from digital elevation data

DG Tarboton, DP Ames - Bridging the gap: Meeting the world's …, 2001 - ascelibrary.org
Digital elevation models (DEMs) are a useful data source for the automatic delineation of
flow paths, sub watersheds and flow networks for hydrologic modeling. Digital …

Incorporating ancillary data to refine anthropogenically modified overland flow paths

GD Duke, SW Kienzle, DL Johnson… - … An International Journal, 2006 - Wiley Online Library
A study carried out in the Oldman River watershed in southern Alberta, Canada, to delineate
potential surface water pollution sources revealed that the use of conventional raster-based …

Establishment of channel networks in a digital elevation model of the prairie region through hydrological correction and geomorphological assessment

H Zhang, GH Huang, D Wang - Canadian Water Resources Journal, 2013 - Taylor & Francis
Building channel networks in flat regions of digital elevation models (DEMs) is important for
watershed delineation and hydrological modeling, particularly for areas with gently-sloped …

A robust, two‐parameter method for the extraction of drainage networks from high‐resolution digital elevation models (DEMs): Evaluation using synthetic and real …

JD Pelletier - Water Resources Research, 2013 - Wiley Online Library
In this article, a method for drainage network extraction from high‐resolution digital elevation
models (DEMs; eg, those derived from airborne laser swath mapping) is presented, which …

Adjustment of a spaceborne DEM for use in floodplain hydrodynamic modeling

D Yamazaki, CA Baugh, PD Bates, S Kanae… - Journal of …, 2012 - Elsevier
Precise Digital Elevation Models (DEMs) are required for the accurate modeling of
floodplain hydrodynamics. The accuracy of currently available spaceborne DEMs however …

Enhancing hydrologic LiDAR digital elevation models: Bridging hydrographic gaps at fine scales

D Wu, R Li, M Edidem, G Wang - JAWRA Journal of the …, 2024 - Wiley Online Library
High‐resolution digital elevation models (HRDEMs), derived from LiDAR, are widely used
for mapping hydrographic details in flat terrains. However, artificial flow barriers, particularly …

[PDF][PDF] New methods for incorporating and analysing drainage structure in digital elevation models

M Hutchinson, J Stein, JC Gallant, TI Dowling - 2013 - geomorphometry.org
Digital elevation models (DEMs) play a key role in supporting fine scale representations of
surface drainage structure. In fact, representing surface drainage structure has become a …