Extreme Drought Events over the Amazon Basin: The Perspective from the Reconstruction of South American Hydroclimate
The Amazon basin has experienced severe drought events for centuries, mainly associated with climate variability connected to tropical North Atlantic and Pacific sea surface temperature anomalous warming. Recently, these events are becoming more frequent, more intense and widespread. Because of the...
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ftdoajarticles:oai:doaj.org/article:23f6f5325a1b4fbbb681517f472525cd 2023-05-15T17:34:38+02:00 Extreme Drought Events over the Amazon Basin: The Perspective from the Reconstruction of South American Hydroclimate Beatriz Nunes Garcia Renata Libonati Ana M. B. Nunes 2018-11-01T00:00:00Z https://doi.org/10.3390/w10111594 https://doaj.org/article/23f6f5325a1b4fbbb681517f472525cd EN eng MDPI AG https://www.mdpi.com/2073-4441/10/11/1594 https://doaj.org/toc/2073-4441 2073-4441 doi:10.3390/w10111594 https://doaj.org/article/23f6f5325a1b4fbbb681517f472525cd Water, Vol 10, Iss 11, p 1594 (2018) extreme droughts Amazon downscaling precipitation assimilation hydroclimatology Hydraulic engineering TC1-978 Water supply for domestic and industrial purposes TD201-500 article 2018 ftdoajarticles https://doi.org/10.3390/w10111594 2022-12-31T07:12:11Z The Amazon basin has experienced severe drought events for centuries, mainly associated with climate variability connected to tropical North Atlantic and Pacific sea surface temperature anomalous warming. Recently, these events are becoming more frequent, more intense and widespread. Because of the Amazon droughts environmental and socioeconomic impacts, there is an increased demand for understanding the characteristics of such extreme events in the region. In that regard, regional models instead of the general circulation models provide a promising strategy to generate more detailed climate information of extreme events, seeking better representation of physical processes. Due to uneven spatial distribution and gaps found in station data in tropical South America, and the need of more refined climate assessment in those regions, satellite-enhanced regional downscaling for applied studies (SRDAS) is used in the reconstruction of South American hydroclimate, with hourly to monthly outputs from January 1998. Accordingly, this research focuses on the analyses of recent extreme drought events in the years of 2005 and 2010 in the Amazon Basin, using the SRDAS monthly means of near-surface temperature and relative humidity, precipitation and vertically integrated soil moisture fields. Results from this analysis corroborate spatial and temporal patterns found in previous studies on extreme drought events in the region, displaying the distinctive features of the 2005 and 2010 drought events. Article in Journal/Newspaper North Atlantic Directory of Open Access Journals: DOAJ Articles Pacific Water 10 11 1594 |
institution |
Open Polar |
collection |
Directory of Open Access Journals: DOAJ Articles |
op_collection_id |
ftdoajarticles |
language |
English |
topic |
extreme droughts Amazon downscaling precipitation assimilation hydroclimatology Hydraulic engineering TC1-978 Water supply for domestic and industrial purposes TD201-500 |
spellingShingle |
extreme droughts Amazon downscaling precipitation assimilation hydroclimatology Hydraulic engineering TC1-978 Water supply for domestic and industrial purposes TD201-500 Beatriz Nunes Garcia Renata Libonati Ana M. B. Nunes Extreme Drought Events over the Amazon Basin: The Perspective from the Reconstruction of South American Hydroclimate |
topic_facet |
extreme droughts Amazon downscaling precipitation assimilation hydroclimatology Hydraulic engineering TC1-978 Water supply for domestic and industrial purposes TD201-500 |
description |
The Amazon basin has experienced severe drought events for centuries, mainly associated with climate variability connected to tropical North Atlantic and Pacific sea surface temperature anomalous warming. Recently, these events are becoming more frequent, more intense and widespread. Because of the Amazon droughts environmental and socioeconomic impacts, there is an increased demand for understanding the characteristics of such extreme events in the region. In that regard, regional models instead of the general circulation models provide a promising strategy to generate more detailed climate information of extreme events, seeking better representation of physical processes. Due to uneven spatial distribution and gaps found in station data in tropical South America, and the need of more refined climate assessment in those regions, satellite-enhanced regional downscaling for applied studies (SRDAS) is used in the reconstruction of South American hydroclimate, with hourly to monthly outputs from January 1998. Accordingly, this research focuses on the analyses of recent extreme drought events in the years of 2005 and 2010 in the Amazon Basin, using the SRDAS monthly means of near-surface temperature and relative humidity, precipitation and vertically integrated soil moisture fields. Results from this analysis corroborate spatial and temporal patterns found in previous studies on extreme drought events in the region, displaying the distinctive features of the 2005 and 2010 drought events. |
format |
Article in Journal/Newspaper |
author |
Beatriz Nunes Garcia Renata Libonati Ana M. B. Nunes |
author_facet |
Beatriz Nunes Garcia Renata Libonati Ana M. B. Nunes |
author_sort |
Beatriz Nunes Garcia |
title |
Extreme Drought Events over the Amazon Basin: The Perspective from the Reconstruction of South American Hydroclimate |
title_short |
Extreme Drought Events over the Amazon Basin: The Perspective from the Reconstruction of South American Hydroclimate |
title_full |
Extreme Drought Events over the Amazon Basin: The Perspective from the Reconstruction of South American Hydroclimate |
title_fullStr |
Extreme Drought Events over the Amazon Basin: The Perspective from the Reconstruction of South American Hydroclimate |
title_full_unstemmed |
Extreme Drought Events over the Amazon Basin: The Perspective from the Reconstruction of South American Hydroclimate |
title_sort |
extreme drought events over the amazon basin: the perspective from the reconstruction of south american hydroclimate |
publisher |
MDPI AG |
publishDate |
2018 |
url |
https://doi.org/10.3390/w10111594 https://doaj.org/article/23f6f5325a1b4fbbb681517f472525cd |
geographic |
Pacific |
geographic_facet |
Pacific |
genre |
North Atlantic |
genre_facet |
North Atlantic |
op_source |
Water, Vol 10, Iss 11, p 1594 (2018) |
op_relation |
https://www.mdpi.com/2073-4441/10/11/1594 https://doaj.org/toc/2073-4441 2073-4441 doi:10.3390/w10111594 https://doaj.org/article/23f6f5325a1b4fbbb681517f472525cd |
op_doi |
https://doi.org/10.3390/w10111594 |
container_title |
Water |
container_volume |
10 |
container_issue |
11 |
container_start_page |
1594 |
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1766133525736587264 |