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Volume 9
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10.3390/engproc2021009024
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Proceeding Paper

Drought Periods Identification in Ecuador between 2001 and 2018 Using SPEI and MODIS Data †

by
César Sáenz
1,2,*,
Javier Litago
1,
Klaus Wiese
3,4,
Laura Recuero
2,
Victor Cicuéndez
1 and
Alicia Palacios-Orueta
2,5
1
Departamento de Economía Agraria, Estadística y Gestión de Empresas, ETSIAAB, Universidad Politécnica de Madrid (UPM), Avda. Complutense 3, 28040 Madrid, Spain
2
Centro de Estudios e Investigación para la Gestión de Riesgos Agrarios y Medioambientales (CEIGRAM), Universidad Politécnica de Madrid (UPM), C/Senda del Rey 13 Campus Sur de prácticas de la ETSIAAB, 28040 Madrid, Spain
3
Escuela de Biología, Universidad Nacional Autónoma de Honduras, Tegucigalpa 11101, Honduras
4
Programa de Ingeniería y Gestión del Medio Natural, Escuela Técnica Superior de Ingeniería de Montes, Forestal Y del Medio Natural, Universidad Politécnica de Madrid, 28040 Madrid, Spain
5
Departamento de Ingeniería Agroforestal, ETSIAAB, Universidad Politécnica de Madrid (UPM), Avda. Complutense 3, 28040 Madrid, Spain
*
Author to whom correspondence should be addressed.
†
Presented at the 13th EFITA International Conference, Online, 25–26 May 2021.
Eng. Proc. 2021, 9(1), 24; https://doi.org/10.3390/engproc2021009024
Published: 25 November 2021
(This article belongs to the Proceedings of The 13th EFITA International Conference)
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Abstract

Drought is a natural phenomenon in which the precipitation amount is below normal in a specific region over a long period. The main objective of this study is to identify periods of drought in Ecuador between 2001 and 2018 using the Standardized Precipitation Evapotranspiration Index (SPEI) and the Normalized Difference Water Index (NDWI) derived from MODIS data. Firstly, the SPEI at a six-month scale and the Runs theory were used to identify periods of drought. Secondly, the NDWI from MOD09A1 MODIS product was used to identify the areas affected by drought.
Keywords: drought; SPEI; NDWI; remote sensing; Ecuador drought; SPEI; NDWI; remote sensing; Ecuador

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MDPI and ACS Style

Sáenz, C.; Litago, J.; Wiese, K.; Recuero, L.; Cicuéndez, V.; Palacios-Orueta, A. Drought Periods Identification in Ecuador between 2001 and 2018 Using SPEI and MODIS Data. Eng. Proc. 2021, 9, 24. https://doi.org/10.3390/engproc2021009024

AMA Style

Sáenz C, Litago J, Wiese K, Recuero L, Cicuéndez V, Palacios-Orueta A. Drought Periods Identification in Ecuador between 2001 and 2018 Using SPEI and MODIS Data. Engineering Proceedings. 2021; 9(1):24. https://doi.org/10.3390/engproc2021009024

Chicago/Turabian Style

Sáenz, César, Javier Litago, Klaus Wiese, Laura Recuero, Victor Cicuéndez, and Alicia Palacios-Orueta. 2021. "Drought Periods Identification in Ecuador between 2001 and 2018 Using SPEI and MODIS Data" Engineering Proceedings 9, no. 1: 24. https://doi.org/10.3390/engproc2021009024

APA Style

Sáenz, C., Litago, J., Wiese, K., Recuero, L., Cicuéndez, V., & Palacios-Orueta, A. (2021). Drought Periods Identification in Ecuador between 2001 and 2018 Using SPEI and MODIS Data. Engineering Proceedings, 9(1), 24. https://doi.org/10.3390/engproc2021009024

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