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
O. O. Rybak, R. Satylkanov, E. A. Rybak, A. S. Gubanov, I. A. Korneva, K. Tanaka
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, ...... hiện toàn bộ
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
S. N. Denisov, A. V. Eliseev, I. I. Mokhov
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...... hiện toàn bộ
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
G. V. Shevchenko, V. N. Chastikov
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...... hiện toàn bộ
#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
N. A. Kalinin, A. N. Shikhov, E. M. Sviyazov
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...... hiện toàn bộ
Tropical Nights in Georgia
Russian Meteorology and Hydrology - - 2018
E. Sh. Elizbarashvili, M. E. Elizbarashvili, Sh. E. Elizbarashvili, N. B. Kutaladze, N. Z. Chelidze, V. E. Gorgisheli
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...... hiện toàn bộ
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
I. N. Myagkova, V. R. Shirokii, Yu. S. Shugai, O. G. Barinov, R. D. Vladimirov, S. A. Dolenko
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...... hiện toàn bộ
Wintertime Arctic Oscillation and Formation of River Spring Floods in the Barents Sea Basin
Russian Meteorology and Hydrology - Tập 44 - Trang 187-195 - 2019
V. N. Kryjov, O. V. Gorelits
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 ...... hiện toàn bộ
Operative short-range hydrodynamic weather forecasting at the points and its efficiency
Russian Meteorology and Hydrology - Tập 35 - Trang 813-816 - 2011
L. V. Berkovich, Yu. V. Tkacheva
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
E. Sh. Elizbarashvili, O. Sh. Varazanashvili, N. S. Tsereteli, M. E. Elizbarashvili, Sh. E. Elizbarashvili
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 ...... hiện toàn bộ
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
R. B. Zaripov, Yu. V. Martynova, V. N. Krupchatnikov, A. P. Petrov
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...... hiện toàn bộ
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