2015-2016년 엘니뇨 기간 중 페루 북부 해안에서 관측한 비정상적으로 강한 해류

• 영문명: On Abnormally Strong Currents Observed on the Northern Coast of Peru during the 2015-2016 El Niño
• 발행기관: 한국연안방재학회
• 저자명: 신창웅(Chang-Woong Shin) 구띠에레스 디미트리(Dimitri Gutié rrez)
• 간행물 정보: 『한국연안방재학회지』제8권 제4호, 205~210쪽, 전체 6쪽
• 주제분류: 사회과학 > 사회과학일반
• 파일형태: PDF
• 발행일자: 2021.10.31

영문 초록

The northern coast of Peru is a region that can rapidly detect the impact of an El Niño. To investigate the effects of the 2015-2016 El Niño on the oceanographic environment of the northern coast of Peru, the temperature and current data obtained from moored equipment at an oil platform were analyzed. Strong coastal along-shore currents of more than 0.60 m·s-1 were observed three times, although the mean current speed was 0.10 m·s-1 flowing toward the south-southwest. After the first strong current, the bottom temperature increased and the mixed layer deepened and remained there during the El Niño event. The temperature reached a maximum after the strong coastal current, then decreased gradually. An analysis of wind and sea surface height anomalies revealed that the coastal strong current was caused by Kelvin waves and the deepening of the mixed layer was not related to local winds, but to coastal Kelvin waves from the equator during the El Niño event.

목차

1. Introduction

2. Data and Methods

3. Results

4. Discussions

5. Conclusions

키워드

2015-2016 El Niñ o Kelvin wave northern coast of Peru coastal current bottom temperature