The Vegetation Drought Response Index (VegDRI): A new integrated approach for monitoring drought stress in vegetation

Brown, J. F.; Wardlow, B. D.; Tadesse, T.; Hayes, M. J.; Reed, B. C.

Abstract:

The development of new tools that provide timely, detailed-spatial-resolution drought information is essential for improving drought preparedness and response. This paper presents a new method for monitoring drought-induced vegetation stress called the Vegetation Drought Response Index (VegDRI). VegDRI integrates traditional climate-based drought indicators and satellite-derived vegetation index metrics with other biophysical information to produce a I km map of drought conditions that can be produced in near-real time. The initial VegDRI map results for a 2002 case study conducted across seven states in the north-central United States illustrates the utility of VegDRI for improved large-area drought monitoring. Copyright ?? 2008 by Bellwether Publishing, Ltd. All rights reserved.

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Article

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70033300

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Brown, J. F.; Wardlow, B. D.; Tadesse, T.; Hayes, M. J.; Reed, B. C.

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English

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GIScience and Remote Sensing

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The Vegetation Drought Response Index (VegDRI): A new integrated approach for monitoring drought stress in vegetation; 2008; Article; Journal; GIScience and Remote Sensing; Brown, J. F.; Wardlow, B. D.; Tadesse, T.; Hayes, M. J.; Reed, B. C.