Get 20M+ Full-Text Papers For Less Than $1.50/day. Start a 14-Day Trial for You or Your Team.

Learn More →

Vegetation‐hydrology dynamics in complex terrain of semiarid areas: 1. A mechanistic approach to modeling dynamic feedbacks

Vegetation‐hydrology dynamics in complex terrain of semiarid areas: 1. A mechanistic approach to... Vegetation, particularly its dynamics, is the often‐ignored linchpin of the land‐surface hydrology. This work emphasizes the coupled nature of vegetation‐water‐energy dynamics by considering linkages at timescales that vary from hourly to interannual. A series of two papers is presented. A dynamic ecohydrological model (tRIBS + VEGGIE) is described in this paper. It reproduces essential water and energy processes over the complex topography of a river basin and links them to the basic plant life regulatory processes. The framework focuses on ecohydrology of semiarid environments exhibiting abundant input of solar energy but limiting soil water that correspondingly affects vegetation structure and organization. The mechanisms through which water limitation influences plant dynamics are related to carbon assimilation via the control of photosynthesis and stomatal behavior, carbon allocation, stress‐induced foliage loss, as well as recruitment and phenology patterns. This first introductory paper demonstrates model performance using observations for a site located in a semiarid environment of central New Mexico. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Water Resources Research Wiley

Vegetation‐hydrology dynamics in complex terrain of semiarid areas: 1. A mechanistic approach to modeling dynamic feedbacks

Download PDF
34 pages

Loading next page...
 
/lp/wiley/vegetation-hydrology-dynamics-in-complex-terrain-of-semiarid-areas-1-a-B0dfwy8IGh

References (139)

Publisher
Wiley
Copyright
Copyright © 2008 by the American Geophysical Union.
ISSN
0043-1397
eISSN
1944-7973
DOI
10.1029/2006WR005588
Publisher site
See Article on Publisher Site

Abstract

Vegetation, particularly its dynamics, is the often‐ignored linchpin of the land‐surface hydrology. This work emphasizes the coupled nature of vegetation‐water‐energy dynamics by considering linkages at timescales that vary from hourly to interannual. A series of two papers is presented. A dynamic ecohydrological model (tRIBS + VEGGIE) is described in this paper. It reproduces essential water and energy processes over the complex topography of a river basin and links them to the basic plant life regulatory processes. The framework focuses on ecohydrology of semiarid environments exhibiting abundant input of solar energy but limiting soil water that correspondingly affects vegetation structure and organization. The mechanisms through which water limitation influences plant dynamics are related to carbon assimilation via the control of photosynthesis and stomatal behavior, carbon allocation, stress‐induced foliage loss, as well as recruitment and phenology patterns. This first introductory paper demonstrates model performance using observations for a site located in a semiarid environment of central New Mexico.

Journal

Water Resources Research – Wiley

Published: Mar 1, 2008

There are no references for this article.