Summer atmospheric conditions over the Japan/East Sea

Dorman, Clive E.; Beardsley, Robert C.; Limeburner, Richard; Varlamov, Sergey M.; Caruso, Michael J.; Dashko, N. A.

doi:10.1016/j.dsr2.2004.09.033

Cited by 15 publications

(4 citation statements)

References 11 publications

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“…The oceanic mixed layer is induced by both atmospheric and oceanic forcing, such as wind stirring, internal waves, and advection [3]. The distribution and variability of the MLD in the WES are affected by geographic location and the high spatiotemporal variability of atmospheric forcing [57,58]. However, the main factors affecting the change in the MLD according to the geographical and physical conditions are different for each region, and they are divided into regions mainly affected by air-sea interactions, such as buoyancy flux and wind stress [57,58], and oceanic conditions, such as lateral advection [59].…”

Section: Discussionmentioning

confidence: 99%

“…The distribution and variability of the MLD in the WES are affected by geographic location and the high spatiotemporal variability of atmospheric forcing [57,58]. However, the main factors affecting the change in the MLD according to the geographical and physical conditions are different for each region, and they are divided into regions mainly affected by air-sea interactions, such as buoyancy flux and wind stress [57,58], and oceanic conditions, such as lateral advection [59]. In the WES, the recent condition of the MLD in the inshore region was mainly affected by changes in atmospheric conditions, such as wind speed and intensity of stratification due to the increased water temperature in the upper layer; conversely, the fluctuations of MLD in the offshore region were mainly affected by changes in oceanographic conditions, such as eddy activity.…”

Section: Discussionmentioning

confidence: 99%

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Recent Trends in Oceanic Conditions in the Western Part of East/Japan Sea: An Analysis of Climate Regime Shift That Occurred after the Late 1990s

Jung

Rahman

Choi

et al. 2021

JMSE

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The western part of East/Japan Sea (WES) is an important area for understanding climate change processes and interactions between atmospheric and oceanic conditions. We analyzed the trends in recent oceanic conditions in the WES after the recent climate regime shift (CRS) that occurred in the late 1990s in the North Pacific. We explored the most important climate factors that affect oceanic conditions and determined their responses to changes in climate change. In the CRS that occurred in the late 1980s, changes in oceanic conditions in the WES were influenced by intensity changes in climate factors, and, in the late 1990s, it was by spatial changes in climate factors. The latitudinal shift of the Aleutian low (AL) pressure influences recent changes in oceanic and atmospheric conditions in the WES. The intensity of the Kuroshio Current and the sea level pressure in the Kuroshio extension region associated with the latitudinal shift of the AL pressure affects the volume of transport of the warm and saline water mass that flows into the WES and its atmospheric conditions. In addition, the fluctuations in the oceanic conditions of the WES affect various regions and depth layers differently, and these variations are evident even within the WES.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Recent Trends in Oceanic Conditions in the Western Part of East/Japan Sea: An Analysis of Climate Regime Shift That Occurred after the Late 1990s

Jung

Rahman

Choi

et al. 2021

JMSE

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“…Meanwhile, the Tsushima warm current (TWC), the major Japan Sea inflow, which comes from the Tsushima Strait, exhibits minimal volume transport [ You et al ., ]. However, during the summer, a weaker summer monsoon transports air from the south, and a larger volume of water is transported by the TWC [e.g., Dorman et al ., ; Takikawa and Yoon , ].…”

Section: Introductionmentioning

confidence: 99%

Frontogenesis and frontolysis of the subpolar front in the surface mixed layer of the Japan Sea

2014

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The frontogenesis and frontolysis processes of the subpolar front (SPF) in the surface mixed layer of the Japan Sea are investigated using state-of-the-art oceanic reanalysis data. The SPF experiences a 9 month weakening period from January to September, which shifts to a strengthening period in October. Our analysis shows that horizontal advection consistently contributes to the intensification of the SPF. After September, as the weakening effect of surface heat flux diminishes, horizontal advection becomes the dominant factor that contributes to changes in the SPF strength. Thus, the SPF enters a 3 month strengthening period. The geostrophic component of horizontal advection provides the most important contribution to strengthening the SPF, acting to intensify the SPF year-round. Ekman advection also promotes SPF strengthening with a smaller but still important contribution. During the weakening period, SPF strength is largely controlled by heat flux. The heat flux, especially the shortwave radiation component, is the primary cause of the surface front disappearance in the summer.

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“…The meridional location of the subpolar front varies significantly on a seasonal basis (Lee and Niiler 2005;Dorman et al 2005) and the seasonal subpolar front separates the warm and the cold water EJS masses (Fig. 1).…”

Section: Introductionmentioning

confidence: 99%

A Temporal Multiscale Analysis of the Waters off the East Coast of South Korea over the Past Four Decades

Jo¹,

Breaker²,

Tseng³

et al. 2014

Terr. Atmos. Ocean. Sci.

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We address the trends in water temperature variability to understand the local global warming effects through different time scales using daily sea surface temperature (SST) measurements from 1966 -2004. The abrupt SST changes off of the east coast of Korea are related to similar changes observed in the North Pacific. Seasonal water temperatures have increased by at least a factor of two or more in winter than in summer. While SSTs on annual timescales have increased significantly, SSTs on interannual timescales have decreased slightly at all stations. The anomalies in SST decadal time scales reveal maxima in temperature occurring in the mid-to-late 1970's, circa 1990 and circa 2000. These maxima coincide with major peaks in the North Pacific Gyre Oscillation (NPGO) with a lag of 4 -7 months. The most significant warming appears in the long-term SST trends at each station where it approaches +0.05°C yr -1 . Overall, the SST off the east coast of Korea has increased at rates that are far greater than what is reported in many other marginal seas.

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Summer atmospheric conditions over the Japan/East Sea

Cited by 15 publications

References 11 publications

Recent Trends in Oceanic Conditions in the Western Part of East/Japan Sea: An Analysis of Climate Regime Shift That Occurred after the Late 1990s

Recent Trends in Oceanic Conditions in the Western Part of East/Japan Sea: An Analysis of Climate Regime Shift That Occurred after the Late 1990s

Frontogenesis and frontolysis of the subpolar front in the surface mixed layer of the Japan Sea

A Temporal Multiscale Analysis of the Waters off the East Coast of South Korea over the Past Four Decades

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