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Full-Text Articles in Environmental Sciences

Interannual Variability Of Wintertime Sea Surface Temperatures In The Eastern Taiwan Strait, Mu-Tun Tzeng, Kuo-Wei Lan, Jui-Wen Chan Dec 2012

Interannual Variability Of Wintertime Sea Surface Temperatures In The Eastern Taiwan Strait, Mu-Tun Tzeng, Kuo-Wei Lan, Jui-Wen Chan

Journal of Marine Science and Technology

Using Advanced Very High Resolution Radiometer (AVHRR) sea surface temperatures (SSTs) at a 1.1-km spatial resolution, we investigated the long-term SST variability in winter in the eastern Taiwan Strait (TS) in 1995~2008. We performed an empirical orthogonal function (EOF) analysis of spatial and time series variances for 15-day mean images. The first three modes in the EOF analysis respectively accounted for 25.9%, 16.61% and 4.59% of variances. In the first mode, the spatial amplitude showed positive values in the northeastern TS and negative values south of Chang-Yuen Rise (CYR). This suggests that warmer water occurred south of the CYR and …


Cold Sea Surface Temperature Near Cheju Island Responding To Strong Cyclonic Wind And Positive Geopotential Tendency Behind A Typhoon Center Along Its Track, Hyo Choi, Mi-Sook Lee, Soo Min Choi Dec 2012

Cold Sea Surface Temperature Near Cheju Island Responding To Strong Cyclonic Wind And Positive Geopotential Tendency Behind A Typhoon Center Along Its Track, Hyo Choi, Mi-Sook Lee, Soo Min Choi

Journal of Marine Science and Technology

The response of sea surface temperature (SST) before and after the passage of Typhoon-18 Songda in the vicinity of Chjeu Island in the southern sea of Korea was investigated using satellite-derived GOES-MCSST (SST), GOES infrared cloud image and a three dimensional WRF-3.0 model with FNL initial meteorological data on September 5 to 8, 2004. On September 4, before the typhoon passed by Cheju Island, the SST extending southwards and eastwards of the island was 27°C. However, after the typhoon passed by the island at 2100 LST, September 7, the SST decreased by 2°C to 25°C. Asymmetrical-cyclonic surface wind generated by …


Enso Prediction One Year In Advance Using Western North Pacific Sea Surface Temperatures, Shih-Yu (Simon) Wang, Michelle L'Heureux, Hsin Hsing Chia Mar 2012

Enso Prediction One Year In Advance Using Western North Pacific Sea Surface Temperatures, Shih-Yu (Simon) Wang, Michelle L'Heureux, Hsin Hsing Chia

Plants, Soils, and Climate Faculty Publications

We present evidence that the de-trended, boreal winter sea surface temperature anomalies (SSTA) in the western North Pacific (WNP) are a skillful predictor for the development of the El Niño-Southern Oscillation (ENSO) by the following winter. The WNP shares some similarities with the Meridional Mode (MM) located in the subtropical central and eastern North Pacific: both are linked to off-equatorial SSTA and low-level wind anomalies, and both appear to be strongly related to wintertime variability in the North Pacific Oscillation (NPO). However, in contrast with the MM, the WNP is associated with an opposite-signed SSTA dipole located off southeastern Asia …