scholarly journals Hydrothermal conditions of South Eastern Siberia under the ongoing warming

2016 ◽  
Vol 48 ◽  
pp. 012003 ◽  
Author(s):  
N N Voropay ◽  
E V Maksyutova ◽  
A A Riazanova
Keyword(s):  
Eastern Siberia ◽  
Hydrothermal Conditions ◽  
South Eastern

AN ADAPTABILITY POTENTIAL ANALYSIS OF THE VICIA SATIVA VARIETIES ON THE GREEN MASS YIELD IN THE SOUTH EASTERN ZONE OF THE KAMCHATKA TERRITORY CONDITIONS

1970 ◽  
pp. 33-37
Author(s):  
А. А. Zhdanova ◽  
М. B. Kochneva
Keyword(s):  
Total Yield ◽  
Vicia Sativa ◽  
Thermal Coefficient ◽  
The South ◽  
Hydrothermal Conditions ◽  
Environmental Index ◽  
Limit Values ◽  
South Eastern ◽  
Green Mass ◽  
Eastern Zone

The article presents the results of a four-year collection study of promising varieties of spring-sown vetch, Vicia sativa L., for zoning in the conditions of the south-eastern zone of the Kamchatka Territory according to statistical parameters. The aim of the study was to identify stress-resistant, environmentally plastic, stable and adaptive varieties of vetch seed calculated by the yield of green mass. The experimental field of the Kamchatka Research Institute of Agriculture is located in the area of the Pacific influence with a cold summer without a dry season. Hydrothermal conditions during the periods of green mass formation in 2014-2017 were characterized by excessive moisture content, hydrothermal coefficient = 2.0-4.6. The environmental index ranged from -12.08 to 13.2. The correlation analysis revealed a direct relationship between the total yield and the sum of active temperatures, r = 0.9. An inverse correlation was determined between the environmental conditions index and the hydro-thermal coefficient, r = -0.79. The average annual yield of green mass for 4 years was 18.7 t/ha. The level of the average yield of green mass varied from 10.0 to 26.8 t/ha, the limit values varied within 5.5-34 t/ha. In the course of work, 18 varieties of spring vetch were studied, of which 5 valuable varieties were identified for cultivation in the region: Lyudmila (Yср = 26.8 t/ha), Yubilejnaya 110 (25.5), Uzunovskaya 91 (22.8), Tayozhnaya (21.8) and the zoned variety Lugovskaya 85 (18.0 t/ha), capable of producing stable yields in favorable and extreme conditions.

Morphological and isotopic study of pedogenic carbonate coatings from steppe and forest-steppe areas of Baikal region, South-Eastern Siberia

CATENA ◽  
2021 ◽  
Vol 196 ◽  
pp. 104817 ◽  
Author(s):  
Viktor Golubtsov ◽  
Maria Bronnikova ◽  
Olga Khokhlova ◽  
Anna Cherkashina ◽  
Sofiia Turchinskaia
Keyword(s):  
Baikal Region ◽  
Forest Steppe ◽  
Eastern Siberia ◽  
Isotopic Study ◽  
Pedogenic Carbonate ◽  
South Eastern

scholarly journals Accelerated loss of alpine glaciers in the Kodar Mountains, south-eastern Siberia

2013 ◽  
Vol 101 ◽  
pp. 82-96 ◽  
Author(s):  
Chris R. Stokes ◽  
Maria Shahgedanova ◽  
Ian S. Evans ◽  
Victor V. Popovnin
Keyword(s):  
Eastern Siberia ◽  
South Eastern ◽  
Alpine Glaciers

Benthic phototrophic community from Kiran soda lake, south-eastern Siberia

Extremophiles ◽  
2017 ◽  
Vol 22 (2) ◽  
pp. 211-220 ◽  
Author(s):  
Ekaterina I. Burganskaya ◽  
Irina A. Bryantseva ◽  
Vasil A. Gaisin ◽  
Denis S. Grouzdev ◽  
Maria S. Rysina ◽  
...  
Keyword(s):  
Soda Lake ◽  
Eastern Siberia ◽  
South Eastern ◽  
Phototrophic Community

scholarly journals Synoptic classification of atmospheric circulation over the south Eastern Siberia and its relationship with glacier dynamics

2021 ◽  
Author(s):  
Olga Osipova ◽  
Eduard Osipov
Keyword(s):  
Atmospheric Circulation ◽  
Lower Troposphere ◽  
Basic Research ◽  
Eastern Siberia ◽  
Weather Types ◽  
Synoptic Classification ◽  
South Eastern ◽  
Environmental Prediction ◽  
Autumn And Winter

<p>The energy balance of a glacial surface and its melting is strongly controlled by altering synoptic processes in the lower troposphere. Therefore, classification of the processes of atmospheric circulation over the glaciarized regions is very important for better understanding of long-term trends in glacier changes. The glaciers of the Kodar Ridge (south Eastern Siberia) have shrunk in area by about 60% since the mid-19th century, with the largest decline taking place at the end of the 20th century. We have compiled the daily catalog of the weather types (WTs) from 1970 to 2020 based on the Jenkinson and Collison objective classification applied for the area (47.5–67.5° N, 102.5–132.5° E) centered over the Kodar Ridge. The gridded sea level pressure (SLP) and isobaric 700 hPa data was obtained from the National Center for Environmental Prediction / National Center for Atmospheric Research (NCEP/NCAR) reanalysis. In total, 26 WTs were identified and the frequency of different synoptic types was statistically analyzed. The most frequent group of WTs is advective (40%), followed by anticyclonic (34%) and cyclonic (14%). The unclassified type totally accounts for 13%. We revealed the differences between the frequency of synoptic processes in seasonal cycle and at different atmospheric levels (SLP and 700 hPa). Cyclonic weather types usually prevail in summer, while anticyclonic ones in autumn and winter. At 700 hPa level, the frequency of anticyclonic WTs increases in summer, while the frequency of advective types increases in all seasons. Over the past 50 years, the frequency of anticyclonic types demonstrates decreasing trend, while that of cyclonic and advective weather types increased (SLP data). In the 1980s and early 1990s the frequency of cyclonic WTs decreased, which could lead to a decrease in cloud cover over the Kodar region and an increase in net radiation of glacier surfaces. This study was supported by the Russian Foundation for Basic Research (project No. 19-05-00668).</p>

scholarly journals Surface energy balance of the Sygyktinsky Glacier, south Eastern Siberia, during the ablation period and its sensitivity to meteorological fluctuations

2021 ◽  
Vol 11 (1) ◽  
Author(s):  
Eduard Y. Osipov ◽  
Olga P. Osipova
Keyword(s):  
Energy Balance ◽  
Wind Speed ◽  
Surface Energy ◽  
Surface Energy Balance ◽  
Heat Fluxes ◽  
Shortwave Radiation ◽  
Eastern Siberia ◽  
Atmospheric Conditions ◽  
South Eastern ◽  
Glacier Ablation

AbstractThe physically based melt of the low elevation Eastern Siberian glaciers is poorly understood due to the lack of direct micrometeorological studies. We used an automatic meteorological station to record the meteorological and energy characteristics of the Sygyktinsky Glacier, south Eastern Siberia (56.8° N, 117.4° E, 2,560 m a.s.l.), during two ablation seasons and computed the surface energy balance (SEB) for 30-min intervals. The glacier ablation was both modeled and measured by stakes and a thermistor cable. The net radiation (Rnet) was the main contributor (71–75 W m−2, 89–95%) to the SEB (79 W m−2, 100%), followed by sensible (2–4 W m−2, 3–5%) and latent (2–3 W m−2, 2–4%) heat fluxes. The net shortwave radiation was the main positive component of Rnet, while the net longwave radiation was weak and either negative (− 15 W m−2 in 2019) or positive (4 W m−2 in 2020). The small proportion of turbulent fluxes in the SEB is explained by the low wind speed (1.2 m s−1). The glacier ablation was found to be more sensitive to changes in shortwave radiation and wind speed, suggesting the need to consider the atmospheric conditions of the ablation period (summer snowfalls, cloudiness, wind speed) when analyzing long-term trends in glacial changes.

scholarly journals Biological and ecological agrolandscapes patterns of the South Eastern Siberia

2021 ◽  
Vol 663 (1) ◽  
pp. 012030
Author(s):  
I A Trofimov ◽  
V M Kosolapov ◽  
L S Trofimova ◽  
E P Yakovleva
Keyword(s):  
Eastern Siberia ◽  
The South ◽  
South Eastern
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