Influence of the Madden–Julian oscillation on Costa Rican mid-summer drought timing

 

Đã lưu trong:
Chi tiết về thư mục
Nhiều tác giả: Zhao, Zijie, Oliver, Eric, Ballestero, Daniel, Vargas-Hernández , José Mauro
Định dạng: artículo
Ngày xuất bản:2019
Miêu tả:The Central American mid-summer drought (MSD) is the decline of precipitation during the middle of the wet season (July and August) over Central America and southern Mexico. It affects agriculture and favours the initiation of bushfires in Costa Rica's national parks, particularly during El Niño years. The MSD is a seasonal phenomenon that varies in intensity and timing inter-annually. The Madden–Julian oscillation (MJO) has been shown to influence Costa Rican rainfall on intra-seasonal time scales, and therefore may be important to the MSD. In this study we use rainfall data from seven stations in Costa Rica to analyse the MJO's influence on the timing of the onset and end of the MSD. We find that the MSD is more likely to start and end in MJO Phases 1 and 8, respectively. Our findings indicate enhanced MSD predictability on intra-seasonal time scales, which could be beneficial to agricultural planning in Costa Rica
Quốc gia:Repositorio UNA
Tổ chức giáo dục:Universidad Nacional de Costa Rica
Repositorio:Repositorio UNA
Ngôn ngữ:Inglés
OAI Identifier:oai:https://repositorio.una.ac.cr:11056/22292
Truy cập trực tuyến:http://hdl.handle.net/11056/22292
Access Level:acceso abierto
Từ khóa:COSTA RICA
MADDEN–JULIAN OSCILLATION
MID-SUMMER DROUGHT
PRECIPITACIÓN
AGRICULTURA
CLIMATOLOGÍA