兩極海冰月追蹤-2017/02 - 颱風討論

By Ida
at 2017-03-15T23:37
at 2017-03-15T23:37
Table of Contents
http://nsidc.org/arcticseaicenews/
資料來源:美國國家冰雪資料中心
最後更新日期:2017/3/6
https://goo.gl/gwa8U0
北極圈結冰區現況與1981-2010平均比較
http://nsidc.org/arcticseaicenews/files/2017/03/asina_N_iqr_timeseries.png
近六個冬季與1981-2010平均(含四分位差與十分位差),
北極圈海冰同期過去四個月面積變化曲線比較。
https://goo.gl/Vqa7Lb
南極圈結冰區現況與1981-2010平均比較
http://nsidc.org/arcticseaicenews/files/2017/03/asina_S_iqr_timeseries.png
近五個夏季與1981-2010平均(含四分位差與十分位差),
南極圈陸冰同期過去四個月面積變化曲線比較。
結論:
北極海冰面積在二月中後幾乎已經不再增加,
儘管目前海冰面積和2014-2015與2015-2016相去不遠,
但冬季最大面積仍舊已確定創下歷史同期新低,
今夏是否會再創歷史新低要看後續融冰的速度。
南極陸冰面積狀況比起北極更加悽慘,
夏季最小面積已創歷史新低,雪上加霜的是正常應該二月中旬過後就會止跌回升,
然而今夏二月中旬過後仍持續探底,最近才開始反彈,已比往年晚將近一個月。
--
資料來源:美國國家冰雪資料中心
最後更新日期:2017/3/6
https://goo.gl/gwa8U0
北極圈結冰區現況與1981-2010平均比較
http://nsidc.org/arcticseaicenews/files/2017/03/asina_N_iqr_timeseries.png

北極圈海冰同期過去四個月面積變化曲線比較。
https://goo.gl/Vqa7Lb
南極圈結冰區現況與1981-2010平均比較
http://nsidc.org/arcticseaicenews/files/2017/03/asina_S_iqr_timeseries.png

南極圈陸冰同期過去四個月面積變化曲線比較。
結論:
北極海冰面積在二月中後幾乎已經不再增加,
儘管目前海冰面積和2014-2015與2015-2016相去不遠,
但冬季最大面積仍舊已確定創下歷史同期新低,
今夏是否會再創歷史新低要看後續融冰的速度。
南極陸冰面積狀況比起北極更加悽慘,
夏季最小面積已創歷史新低,雪上加霜的是正常應該二月中旬過後就會止跌回升,
然而今夏二月中旬過後仍持續探底,最近才開始反彈,已比往年晚將近一個月。
--
Tags:
颱風
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