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Distributed Hydrologic Modeling Using GIS (Hardcover, 3rd ed. 2016)
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Distributed Hydrologic Modeling Using GIS (Hardcover, 3rd ed. 2016)
Series: Water Science and Technology Library, 74
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This book presents a unified approach for modeling hydrologic
processes distributed in space and time using geographic
information systems (GIS). This Third Edition focuses on the
principles of implementing a distributed model using geospatial
data to simulate hydrologic processes in urban, rural and
peri-urban watersheds. The author describes fully distributed
representations of hydrologic processes, where physics is the basis
for modeling, and geospatial data forms the cornerstone of
parameter and process representation. A physics-based approach
involves conservation laws that govern the movement of water,
ranging from precipitation over a river basin to flow in a river.
Global geospatial data have become readily available in GIS format,
and a modeling approach that can utilize this data for hydrology
offers numerous possibilities. GIS data formats, spatial
interpolation and resolution have important effects on the
hydrologic simulation of the major hydrologic components of a
watershed, and the book provides examples illustrating how to
represent a watershed with spatially distributed data along with
the many pitfalls inherent in such an undertaking. Since the First
and Second Editions, software development and applications have
created a richer set of examples, and a deeper understanding of how
to perform distributed hydrologic analysis and prediction. This
Third Edition describes the development of geospatial data for use
in Vflo (R) physics-based distributed modeling.
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