Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Assessment of Climate Indices and NDWI Analysis in Lerma Chapala Basin

Version 1 : Received: 31 January 2021 / Approved: 1 February 2021 / Online: 1 February 2021 (17:35:10 CET)

How to cite: Castro-Lazcarro, M.; Davydova-Belitskaya, V.; Cárdenas-Tristán, A. Assessment of Climate Indices and NDWI Analysis in Lerma Chapala Basin. Preprints 2021, 2021020067 (doi: 10.20944/preprints202102.0067.v1). Castro-Lazcarro, M.; Davydova-Belitskaya, V.; Cárdenas-Tristán, A. Assessment of Climate Indices and NDWI Analysis in Lerma Chapala Basin. Preprints 2021, 2021020067 (doi: 10.20944/preprints202102.0067.v1).

Abstract

Lake Chapala is a natural ecosystem of Mexico, declared Ramsar site, currently, is an area with importance in the agricultural sector, tourism, and important source of drinking water in the Metropolitan area of Guadalajara, considered as a thermo regulatory body. This study used tools such as Rhtest, as well as analyzing extreme climate indices using RClimdex. In addition, the relationship with the change in water surface of Lake Chapala was assessed through the NDWI index, using Landsat images, between 1985 and 2018. According to the obtained results, the signs of climatic variability are detected in the study region, which, directly affects the basin runoff and water levels in the lake, as well as, the factor of water overexploitation in the basin, so it is considered that the lake conditions mostly depend on the type of management that is given to the resource. Finally, the results will help the understanding of climate variability and its water resources influence of the Lerma Chapala basin, which will assist in future research.

Subject Areas

Chapala Lake; Climate change; RClimdex; NDWI; Water management

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