Russian Meteorology and Hydrology
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Parameterization of Shortwave Solar Radiation in Glaciological Applications
Russian Meteorology and Hydrology - Tập 46 - Trang 495-506 - 2021
Solar irradiance is the most important factor which determines the thermal
conditions of mountain glaciers. We use trigonometric formulae to calculate
direct solar radiation incoming on any arbitrary oriented surface under the
condition of absence of the atmosphere. Shading effect from the surrounding
relief can also be evaluated rather precisely. Nevertheless, in order to obtain
correct results, ...
Climate change in IAP RAS global model taking account of interaction with methane cycle under anthropogenic scenarios of RCP family
Russian Meteorology and Hydrology - Tập 38 - Trang 741-749 - 2013
Carried out are numerical experiments with the IAP RAS global climate model (IAP
RAS CM) under new RCP scenarios of anthropogenic impact for the 18th–21st
centuries taking account of the response of the methane emission from the soil
to the atmosphere and effects of chemical processes in the atmosphere on the
climate changes. The model generally simulates the preindustrial and present-day
characte...
Biến đổi theo mùa của các điều kiện thủy văn gần bờ đông nam Đảo Sakhalin Dịch bởi AI
Russian Meteorology and Hydrology - Tập 33 - Trang 514-524 - 2008
Các biến đổi theo mùa của các điều kiện thủy văn trong khu vực liền kề bờ đông
nam của Đảo Sakhalin được mô tả dựa trên phân tích nhiệt độ và độ mặn trung bình
tháng thu được qua các đoạn chuẩn đại dương Makarov-Cape Georgii và Cape
Svobodny-the sea cùng với chín khảo sát đại dương. Dòng chảy của sông Poronai,
tác động lên sự hình thành lớp nước bề mặt ấm với độ mặn thấp, có ảnh hưởng lớn
đến vùng...
#Biến đổi theo mùa #điều kiện thủy văn #Đảo Sakhalin #dòng chảy sông Poronai #độ mặn #nước trung gian lạnh #dòng chảy Đông Sakhalin
Simulation of snow accumulation and melt in the Votkinsk Reservoir catchment using the WRF-ARW model
Russian Meteorology and Hydrology - Tập 40 - Trang 749-757 - 2015
Proposed is the method of computation of snow accumulation using the prognostic
fields of precipitation based on the WRF-ARW mesoscale numerical model of the
atmosphere that was tested using the data for 2012-2014. The snowmelt intensity
in river catchments was computed by the method worked out by P.P. Kuz’min. This
method is based on the solution of the equation of snow cover heat balance under
a...
Tropical Nights in Georgia
Russian Meteorology and Hydrology - - 2018
Based on observational data from 30 weather stations in Georgia for the period
of 1936–2013, the geography, statistical structure, intensity, duration, and
dynamics of tropical nights are investigated. The geoinformation map was
constructed for the number of tropical nights for the WMO base period. The
periods of occurrence and return of their different gradations and the
regularities of long-term...
Short- and Medium-range Prediction of Relativistic Electron Flux in the Earth’s Outer Radiation Belt by Machine Learning Methods
Russian Meteorology and Hydrology - Tập 46 - Trang 163-171 - 2021
The ways are studied to improve the quality of prediction of the time series of
hourly mean fluxes and daily total fluxes (fluences) of relativistic electrons
in the outer radiation belt of the Earth 1 to 24 hours ahead and 1 to 4 days
ahead, respectively. The prediction uses an approximation approach based on
various machine learning methods, namely, artificial neural networks (ANNs),
decision tr...
Wintertime Arctic Oscillation and Formation of River Spring Floods in the Barents Sea Basin
Russian Meteorology and Hydrology - Tập 44 - Trang 187-195 - 2019
Results from the research on the influence of the wintertime (December-February)
Arctic Oscillation (AO) on the spring floods of the North European Russia rivers
of Onega, Northern Dvina, Mezen’, and Pechora flowing into the White and Barents
seas are presented. Composites of the river water discharges from 1930–2014
constructed in accordance with the wintertime AO index above the upper and below
...
Operative short-range hydrodynamic weather forecasting at the points and its efficiency
Russian Meteorology and Hydrology - Tập 35 - Trang 813-816 - 2011
Efficiency is discussed of operative hydrodynamic forecasts of meteorological
quantities and weather characteristics at the points. Efficiency of hydrodynamic
forecasts exceeds that of synoptic forecasts. This allows introducing detailed
operative hydrodynamic forecasting of weather at the points.
Dangerous fogs on the territory of Georgia
Russian Meteorology and Hydrology - Tập 37 - Trang 106-111 - 2012
The statistical structure of dangerous fogs with the visibility of less than 50
m is studied using the observation data of 50 meteorological stations in Georgia
for the period of 1961–2006. The contribution of dangerous fogs to the total
number of foggy days is estimated. The number of days with dangerous fogs and
their duration in different regions of the country are determined and the
empirical ...
Atmosphere data assimilation system for the Siberian region with the WRF-ARW model and three-dimensional variational analysis WRF 3D-Var
Russian Meteorology and Hydrology - Tập 41 - Trang 808-815 - 2017
The system of the cyclic assimilation of data on atmospheric conditions used in
the West Siberian Administration for Hydrometeorology and Environmental
Monitoring is described. It is based on the WRF-ARW mesoscale atmospheric model
and on the WRF 3D-Var system of the three-dimensional variational analysis of
data. The system is verified when the first approximation data (6-hour forecast)
and WRF-A...
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