Drought Detection & Quantification

Drought Detection & Quantification


Marketed By :  LAP LAMBERT Academic Publishing   Sold By :  Kamal Books International  
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  • Product Description

Drought is a serious climatic condition that affects nearly all climatic zones worldwide, with semi-arid regions being especially susceptible to drought conditions because of their low annual precipitation and sensitivity to climate changes. Drought indices such as the Standardized Precipitation Index (SPI) have been developed for quantifying drought conditions. Usually, calculation of drought indices requires a long record of climatic data. Remote sensing of semi-arid vegetation can provide vegetation indices which can be used to link drought conditions when correlated with various drought indices. Spectral reflectance measurements of creosote and black gramma grass were taken between January and November 2003 in the Sevilleta National Wildlife Refuge of New Mexico and various vegetation indices were derived. Each vegetation index was correlated with the SPI of various weekly timescales at varying time-lag intervals calculated from 1999. The results show a strong linear correlation between the vegetation indices NDVI, Greenness Index, ARVI and drought index SPI at various SPI measurements with various lag times

Product Specifications
SKU :COC88068
Country of ManufactureIndia
Product BrandLAP LAMBERT Academic Publishing
Product Packaging InfoBox
In The Box1 Piece
Product First Available On ClickOnCare.com2015-10-08
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