نتایج جستجو برای: synoptic climatology
تعداد نتایج: 9298 فیلتر نتایج به سال:
Anahtar Kelimeler Kömür atığı, Susuzlandırma, Tikiner, Flokülant, Çöktürme Özet: Bu çalışmada, Dereköy Lavvar Tesisi (Soma, Manisa) tikiner girişinden alınan numune üzerinde anyonik (Akkim Akua 5220, Brentag Brentamer A 2030, Brentag Brentamer A 2530, Bifloc An 254, Minefloc Lot X 4119, 3F Sedifloc 750 AHM), katyonik (Snf 5980 Sl ve 3f Sedifloc 408 C) ve noniyonik (Snf Fa 920) flokülantlar kull...
Abstract This study quantifies the impact of atmospheric rivers (ARs) on rainfall in New Zealand. Using an automated AR detection algorithm, daily records from 654 rain gauges, and various reanalysis datasets, we investigate climatology ARs, characteristics landfalling contribution ARs to annual seasonal totals, extreme events between 1979 2018 across country. Results indicate that these filame...
This paper outlines some important aspects of modeling oceanic fronts in the context of featureoriented regional modeling for the deep sea and the Global Coastal Ocean. Previously developed forms of feature models for different types of fronts are presented in a generalized approach. The large-scale meandering frontal systems such as the Gulf Stream, Kuroshio and Brazil current can be represent...
Calendaricities, or the occurrence of weather anomalies on fixed calendar dates, are investigated for the Eastern Mediterranean (EM). The anomalies discussed here are the maxima and minima in the frequency of occurrence of the EM synoptic systems bearing rainfall. Those are mostly the Winter Lows passing over Cyprus en route eastward of the Ionian Sea where they are generated in situ or come to...
A comparison is made of the relative effectiveness of the cyclonic circulation pattern a t four different tropospheric levels in specifying winter precipitation over the intermountain area of the western United States. This is accomplished by developing the synoptic climatology of precipitation resulting from Lows a t the 850-, 700-, 500-, and 300-mb. levels. Twelve-hr. precipitation amounts (e...
The processes regulating the climatology and annual cycle of the tropical tropopause layer (TTL) and cold point are not fully understood. Three main drivers have been identified: planetary scale equatorial waves excited by tropical convection, planetary scale extratropical waves associated with the deep Brewer-Dobson Circulation, and synoptic scale waves associated with the midlatitude storm tr...
Remote sensing has widely been used in urban climatology since it has the advantage of a simultaneous synoptic view of the full urban surface. Methods include the analysis of surface temperature patterns, spatial (biophysical) indicators for urban heat island modelling, and flux measurements. Another approach is the automated classification of urban morphologies or structural types. In this stu...
[1] A neural network inversion scheme including first guess information has been developed to retrieve surface temperature Ts, along with atmospheric water vapor, cloud liquid water, and surface emissivities over land from a combined analysis of Special Sensor Microwave/Imager (SSM/I) and International Satellite Cloud Climatology Project (ISCCP) data. In the absence of routine in situ surface s...
The detailed mesoscale climatology of surface winds in the Chukchi–Beaufort Seas and adjacent Arctic Slope region is analyzed using the recently developed Chukchi–Beaufort High-Resolution Atmospheric Reanalysis (CBHAR).Within the study area, surface winds are mainly driven by the prevailing synoptic weather patterns of the Beaufort high andAleutian low and are further modulated by local geograp...
In this study we present a scheme for calculating the characteristics of multi-layer cloudiness and precipitation for Earth system models of intermediate complexity (EMICs). This scheme considers three-layer stratiform cloudiness and single-column convective clouds. It distinguishes between ice and droplet clouds as well. Precipitation is calculated by using cloud lifetime, which depends on clo...
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