Effect of Resolution, Rainfall And Scales in Hydrologic Modelling
AUTHOR | Sharma Maneesh |
PUBLISHER | LAP Lambert Academic Publishing (08/18/2014) |
PRODUCT TYPE | Paperback (Paperback) |
Description
This study assessed the effect of digital elevation model (DEM) resolution along with rainfall intensity and storm size on modeling hydrologic processes at plot and subwatershed scales in the Walnut Gulch Experimental Watershed in SE Arizona. At the plot scale, ground based LiDAR data were used to generate 1 cm resolution Digital Surface models (DSM). A vegetation removal method was developed which used a slope threshold and a focal mean filter to remove vegetation to create the DEMs. Validation of the method showed an error of 7 mm. KINEROS2, was used to model the hydrologic processes at both plot and subwatershed scales. In this study, a 10 m resolution DEM was high enough resolution to model the surface runoff processes at the subwatershed scale, while at the plot scale 5 cm resolution was high enough to model the surface runoff processes"
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Product Format
Product Details
ISBN-13:
9783659583308
ISBN-10:
3659583308
Binding:
Paperback or Softback (Trade Paperback (Us))
Content Language:
English
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Page Count:
104
Carton Quantity:
68
Product Dimensions:
6.00 x 0.25 x 9.00 inches
Weight:
0.36 pound(s)
Country of Origin:
US
Subject Information
BISAC Categories
Science | Earth Sciences - General
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This study assessed the effect of digital elevation model (DEM) resolution along with rainfall intensity and storm size on modeling hydrologic processes at plot and subwatershed scales in the Walnut Gulch Experimental Watershed in SE Arizona. At the plot scale, ground based LiDAR data were used to generate 1 cm resolution Digital Surface models (DSM). A vegetation removal method was developed which used a slope threshold and a focal mean filter to remove vegetation to create the DEMs. Validation of the method showed an error of 7 mm. KINEROS2, was used to model the hydrologic processes at both plot and subwatershed scales. In this study, a 10 m resolution DEM was high enough resolution to model the surface runoff processes at the subwatershed scale, while at the plot scale 5 cm resolution was high enough to model the surface runoff processes"
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