نتایج جستجو برای: sea level pressure slp
تعداد نتایج: 1555553 فیلتر نتایج به سال:
. introduction the siberian high (sh) is a quasi-stationary and semi-permanent surface high pressure system residing over the eurasian continent during winter with its climatological–mean central pressure exceeding 1030 hpa. this most important atmospheric center of action controls the climate of a wide area of this continent. the sh forms generally in october mainly in response to strong radia...
Commercial and subsistence fisheries pressure is increasing in the Gulf of California, Mexico. One consequence often associated with high levels of fishing pressure is an increase in bycatch of marine mammals and birds. Fisheries bycatch has contributed to declines in several pinniped species and may be affecting the California sea lion (Zalophus californianus) population in the Gulf of Califor...
[1] We examine the variability of Asian pollution outflow to the western Pacific and its associated long-range transport to the northeast (NE) Pacific between 1992 and 2002, using a global simulation of carbon monoxide (CO). We develop three new sea-level pressure indices, which capture variations in transpacific transport on daily to interannual timescales. Our first index, LRT1 (standardized ...
The National Center for Atmospheric Research Community Climate System Model (NCAR CCSM, version 3) numerical coupled model is used to understand the climatic impacts on the South Atlantic Ocean due to industrialization and consequent increase of greenhouse gas emission. Two experiments are analyzed: the first one with trace/greenhouse gases at pre-industrial levels and a second one where presen...
Automatic evaluation of tonal production plays an important role in a tonal language Computer-Assisted Pronunciation Training (CAPT) system. In this paper, we propose an automatic evaluation method for non-native Mandarin tones. The method applied multi-level confidence measures generated from Deep Neural Network (DNN). The confidence measures consisted of Log Posterior Ratios (LPR), Average Fr...
The low-frequency climate variability simulated in the North Atlantic by a coupled ocean-at-mosphere model is diagnosed and compared to available observations. A variety of statisticalmethods is used to study the quasi-decadal (QD) oscillations. They tend to show that local di-rect interactions between the atmosphere and the ocean may help maintaining them. 1. Observed low-frequency...
Precipitation is not only a critical process in global hydrologic cycle but also an important indicator of climate change (Fu et al.,2016). Precipitation is a key factor of the global water cycle and affects all aspects of human life. Because of its great importance and its high spatial and temporal variability (Thies and Bendix.,2011). Climate change is caused many extreme climatic occurrences...
distribution of a coupled atmosphere-ocean general circulation model. \Comparison of observed and simulated cyclone frequency distribution as determined by an objective method", At-Figure 10: QUEST visualization manager animation of SLP elds during the life of the cyclone track shown in Figure 9. 6 Conclusion Currently, scientists have access to large repositories of observational and model dat...
Strong anticyclones have a significant impact on the cool season climate over midand high-latitude landmasses as they are typically accompanied by arctic air masses that can eventually move into populated midlatitude regions. Composite analyses of Alaskan and Siberian strong anticyclones based on sea level pressure (SLP) thresholds of 1050 and 1060 hPa, respectively, were performed to diagnose ...
The relationships between the natural variability and CO2-induced response over the Pacific region are investigated in terms of the spatial anomaly pattern of SST, sea level pressure and precipitation by a multi-model intercomparison analysis, based on the 18-model results contributing to the IPCC Fourth Assessment Report. The analysis indicates that the CO2-induced response pattern is related ...
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