Coastal wind jets flowing into the Kanmon Strait by SAR observations

Osamu Isoguchi; Hiroshi Kawamura

doi:10.1109/IGARSS.2005.1525280

Coastal wind jets flowing into the Kanmon Strait by SAR observations

Osamu Isoguchi, Hiroshi Kawamura

SCI - Center for Atmospheric and Oceanic Studies

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

Coastal wind jets that flow into the Tsushima Strait, Japan, is investigated by Synthetic Aperture Radar (SAR) images, altimeter-derived data and high-resolution numerical modeling. The coastal wind jets appear in 7 of 28 SAR-derived wind fields under the conditions of ambient southeasterly winds. The features of the coastal wind jets can be simulated by the numerical simulation, where the stratified flows blocked by mountains converge at their isthmus and then are enhanced, forming low level jets. Sensitivity experiments reveal that easterly to southerly stratified flows are required for the jet formation and the degree of its enhancement is mostly controlled by the Froude number of upstream flows. Atmospheric conditions at the SAR acquisitions mostly meet model-derived criteria: the coastal wind jets are formed under the conditions of the easterly to southerly stratified flows.

Original language	English
Title of host publication	25th Anniversary IGARSS 2005
Subtitle of host publication	IEEE International Geoscience and Remote Sensing Symposium
Pages	995-998
Number of pages	4
DOIs	https://doi.org/10.1109/IGARSS.2005.1525280
Publication status	Published - 2005 Dec 1
Event	2005 IEEE International Geoscience and Remote Sensing Symposium, IGARSS 2005 - Seoul, Korea, Republic of Duration: 2005 Jul 25 → 2005 Jul 29

Publication series

Name	International Geoscience and Remote Sensing Symposium (IGARSS)
Volume	2

Other

Other	2005 IEEE International Geoscience and Remote Sensing Symposium, IGARSS 2005
Country/Territory	Korea, Republic of
City	Seoul
Period	05/7/25 → 05/7/29

Keywords

Coastal wind jets
Numerical model
SAR

ASJC Scopus subject areas

Computer Science Applications
Earth and Planetary Sciences(all)

Access to Document

10.1109/IGARSS.2005.1525280

Cite this

Coastal wind jets flowing into the Kanmon Strait by SAR observations. / Isoguchi, Osamu; Kawamura, Hiroshi.

25th Anniversary IGARSS 2005: IEEE International Geoscience and Remote Sensing Symposium. 2005. p. 995-998 1525280 (International Geoscience and Remote Sensing Symposium (IGARSS); Vol. 2).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Isoguchi, O & Kawamura, H 2005, Coastal wind jets flowing into the Kanmon Strait by SAR observations. in 25th Anniversary IGARSS 2005: IEEE International Geoscience and Remote Sensing Symposium., 1525280, International Geoscience and Remote Sensing Symposium (IGARSS), vol. 2, pp. 995-998, 2005 IEEE International Geoscience and Remote Sensing Symposium, IGARSS 2005, Seoul, Korea, Republic of, 05/7/25. https://doi.org/10.1109/IGARSS.2005.1525280

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abstract = "Coastal wind jets that flow into the Tsushima Strait, Japan, is investigated by Synthetic Aperture Radar (SAR) images, altimeter-derived data and high-resolution numerical modeling. The coastal wind jets appear in 7 of 28 SAR-derived wind fields under the conditions of ambient southeasterly winds. The features of the coastal wind jets can be simulated by the numerical simulation, where the stratified flows blocked by mountains converge at their isthmus and then are enhanced, forming low level jets. Sensitivity experiments reveal that easterly to southerly stratified flows are required for the jet formation and the degree of its enhancement is mostly controlled by the Froude number of upstream flows. Atmospheric conditions at the SAR acquisitions mostly meet model-derived criteria: the coastal wind jets are formed under the conditions of the easterly to southerly stratified flows.",

keywords = "Coastal wind jets, Numerical model, SAR",

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N2 - Coastal wind jets that flow into the Tsushima Strait, Japan, is investigated by Synthetic Aperture Radar (SAR) images, altimeter-derived data and high-resolution numerical modeling. The coastal wind jets appear in 7 of 28 SAR-derived wind fields under the conditions of ambient southeasterly winds. The features of the coastal wind jets can be simulated by the numerical simulation, where the stratified flows blocked by mountains converge at their isthmus and then are enhanced, forming low level jets. Sensitivity experiments reveal that easterly to southerly stratified flows are required for the jet formation and the degree of its enhancement is mostly controlled by the Froude number of upstream flows. Atmospheric conditions at the SAR acquisitions mostly meet model-derived criteria: the coastal wind jets are formed under the conditions of the easterly to southerly stratified flows.

AB - Coastal wind jets that flow into the Tsushima Strait, Japan, is investigated by Synthetic Aperture Radar (SAR) images, altimeter-derived data and high-resolution numerical modeling. The coastal wind jets appear in 7 of 28 SAR-derived wind fields under the conditions of ambient southeasterly winds. The features of the coastal wind jets can be simulated by the numerical simulation, where the stratified flows blocked by mountains converge at their isthmus and then are enhanced, forming low level jets. Sensitivity experiments reveal that easterly to southerly stratified flows are required for the jet formation and the degree of its enhancement is mostly controlled by the Froude number of upstream flows. Atmospheric conditions at the SAR acquisitions mostly meet model-derived criteria: the coastal wind jets are formed under the conditions of the easterly to southerly stratified flows.

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Coastal wind jets flowing into the Kanmon Strait by SAR observations

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