نتایج جستجو برای: middle left 700 hpa

تعداد نتایج: 464655  

Journal: :Remote Sensing 2023

Measurements of the global cloud vertical structure (CVS) are critical to better understanding effects CVS on climate. Current algorithms based OCO-2 have be combined with top height products from CALIPSO and CloudSat, which no longer available after these two satellites left A-Train in 2018. In this paper, we derive a machine learning-based algorithm using only oxygen A-band hyperspectral meas...

2008
G. Cuevas

Seven of the infrared channels from the Spinning Enhanced Visible and Infrared Imagery (SEVIRI) instrument, on board the Meteosat Second Generation (MSG), are used to retrieve Layer Precipitable Water (LPW) and Stability Analysis Imagery (SAI) in the SAFNWC framework. Both products are retrieved using a statistical retrieval based on neural networks; they are routinely generated every fifteen m...

2012
Hao Duan Yan Cai Xiaojiang Sun

BACKGROUND The role of genetic risk factors in ischemic stroke is unclear. Platelet glycoprotein IIb/IIIa (GpIIb-IIIa) has been implicated in the pathogenesis of ischemic stroke. We sought to evaluate the relationship between the GpIIb/IIIa complex gene polymorphism and ischemic stroke. MATERIAL/METHODS We investigated the association of the GpIIb/IIIa complex gene polymorphism with stroke ri...

2003
Nilgün Kubilay Tulay Cokacar Temel Oguz

[1] Ground-based aerosol optical measurements were conducted within the framework of the Aerosol Robotic Network (AERONET) program at the IMS-METU site at Erdemli (36 330N, 34 150E) along the Turkish coast of the northeastern Mediterranean from January 2000 to June 2001. The measurements were used to identify and define predominant regional aerosol optical properties, with an emphasis on minera...

Journal: :Frontiers in Environmental Science 2022

Owing to global warming, extreme precipitation events in the arid regions of Central Asia have increased, resulting significant consequences for water resources and ecosystems. Hence, address features corresponding physical mechanisms these rainstorms, we examined rainstorm that occurred Hotan, Xinjiang June 2021 as a case study. We employed multiple datasets, including meteorological stations,...

Journal: :Atmosphere 2022

In this study, wind forecasts derived from the European Centre for Medium-Range Weather Forecasts (ECMWF), National Centers Environmental Prediction (NCEP), Japan Meteorological Agency (JMA) and United Kingdom Office (UKMO) are evaluated lead times of 1–7 days at 10 m multiple isobaric surfaces (500 hPa, 700 850 hPa 925 hPa) over North China 2020. The straightforward multimodel ensemble mean (M...

Background: Human platelet antigens (HPAs) are part of platelet GP complexes have the potential to contribute to the autoantibody production. Moreover, these antigens demonstrate different patterns of distribution on different ethnic groups and variation in some types of diseases. This study was objected to determine the incidence of HPA-1 to -5 and -15 polymorphisms in the Iranians suffering f...

2006
ROBERT WOOD CHRISTOPHER S. BRETHERTON

Observations in subtropical regions show that stratiform low cloud cover is well correlated with the lower-troposphere stability (LTS), defined as the difference in potential temperature between the 700-hPa level and the surface. The LTS can be regarded as a measure of the strength of the inversion that caps the planetary boundary layer (PBL). A stronger inversion is more effective at trapping ...

1998
MARTYN P. CLARK MARK C. SERREZE DAVID A. ROBINSON

Composite analyses, based on weekly snow-cover charts, temperature, sea level pressure, cyclone tracks and a rotated PCA of daily filtered 700 hPa geopotential height are used to examine relationships between the dominant modes of low-frequency atmospheric variability and mid-winter snow extent over the Eurasian continent. Two of the circulation modes examined have been identified previously an...

2007
J. Bliefernicht

A dynamical downscaling scheme is usually used to provide a short range flood forecasting system with highresolved precipitation fields. Unfortunately, a single forecast of this scheme has a high uncertainty concerning intensity and location especially during extreme events. Alternatively, statistical downscaling techniques like the analogue method can be used which can supply a probabilistic f...

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