Work

The Vegetation Drought Response Index (VegDRI): A New Integrated Approach for Monitoring Drought Stress in Vegetation

Year: 2008

Type: article

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 1 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.

Source: GIScience & Remote Sensing

DOI: 10.2747/1548-1603.45.1.16

Authors: Jesslyn F. Brown, Brian D. Wardlow, Tsegaye Tadesse, Michael J. Hayes, Bradley C. Reed

Institutions: United States Geological Survey, University of Nebraska–Lincoln

Language: English

Topic: Hydrology and Drought Analysis

Subfield: Global and Planetary Change

Field: Environmental Science

Domain: Physical Sciences

SDG: Climate action

Open Access status: bronze