期刊
GEOPHYSICAL RESEARCH LETTERS
卷 38, 期 -, 页码 -出版社
AMER GEOPHYSICAL UNION
DOI: 10.1029/2011GL049839
关键词
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资金
- Cooperative Institute for Arctic Research (CIFAR)
- National Oceanic and Atmospheric Administration (NOAA) [NA17RJ1224, NA06OAR4600179, NA08OAR4600856]
- University of Alaska
- Japan Agency for Marine-Earth Science and Technology (JAMSTEC)
- North Pacific Research Board [828]
- National Science Foundation [1107925]
In situ observation of significant wave heights (SWHs) conducted from three fixed bottom-mounted Recording Doppler Current Profiler (RDCP) instruments in the southeastern Chukchi Sea in 2007 and 2009 were compared with corresponding satellite observations from Envisat. A strong correlation (0.96) was indicated between satellite and in situ observations for the off-shore RDCP located approximately 82 km to the nearest coastline in the region with uniform topography. However, the corresponding cross-correlations are much lower (0.79 and 0.58) for the RDCPs located within 3.5 km and 10.8 km, respectively, of the nearest coastline probably due to a strong spatial topography gradient and an insufficient number of satellite data points for validation. Cross-validated satellite observations were used for the analysis of wave conditions in the Arctic during the years 1993-2011. We found approximately a 0.020 m/year increase of SWH for the SE Chukchi Sea and a 0.025 m/year increase for the Pacific-Arctic, which correlates well with gradual ice retreat observed in the Arctic during the last two decades. Citation: Francis, O. P., G. G. Panteleev, and D. E. Atkinson (2011), Ocean wave conditions in the Chukchi Sea from satellite and in situ observations, Geophys. Res. Lett., 38, L24610, doi: 10.1029/2011GL049839.
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