Труды сотрудников ИЛ им. В.Н. Сукачева СО РАН

/ M. Y. Chernetskiy, A. P. Shevyrnogov, N. F. Ovchinnikova // Proceedings of SPIE - The International Society for Optical Engineering. - 2011. - Vol. 8174: Remote Sensing for Agriculture, Ecosystems, and Hydrology XIII (19 September 2011 through 21 September 2011, Prague) Conference code: 87191. - Ст. 1, DOI 10.1117/12.896748 . -
Аннотация: The time series of various parameters of satellite imagery (NDVI/EVI, temperature) during the growing season were considered in this work. This means that satellite images were considered not like a number of single scenes but like temporal sequences. Using time series enables estimating the integral phenological properties of vegetation. The basis of the developed technique is to use one of the methods of transformation of the multidimensional space in order to get the principal components. The technique is based on considering each dimension of the multidimensional space as satellite imagery for a specific date range. The technique automatically identifies spatial patterns of vegetation that are similar by phenology and growing conditions. Subsequent analysis allowed identification of the belonging of derived classes. Thus, the technique of revealing the spatial distribution of different dynamical vegetation patterns based on the phenological characteristics has been developed. The technique is based on a transformation of the multidimensional space of states of vegetation. Based on the developed technique, areas were obtained with similar interannual trends. В© 2011 SPIE.

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Держатели документа:
Institute of Biophysics of SB RAS, Krasnoyarsk 660036, Akademgorodok, Russian Federation
V.N. Sukachev Institute of Forest of SB RAS, Krasnoyarsk 660036, Akademgorodok, Russian Federation
Siberian Federal University, Kyrensky st., 26, Krasnoyarsk, 660074, Russian Federation

Доп.точки доступа:
Chernetskiy, M.Y.; Shevyrnogov, A.P.; Ovchinnikova, N.F.

/ K. Kovacs, K. J. Ranson, V. I. Kharuk // Proceedings of the Third International Workshop on the Analysis of Multi-Temporal Remote Sensing Images 2005. - 2005. - Vol. 2005: 3rd International Workshop on the Analysis of Multi-Temporal Remote Sensing Images 2005 (16 May 2005 through 18 May 2005, Biloxi, MS) Conference code: 67475. - Ст. 1469833. - P25-29, DOI 10.1109/AMTRSI.2005.1469833 . -
Аннотация: As part of a NASA supported Siberian disturbance mapping project, the capabilities of multitemporal MODIS data to detect insect damage in the boreal forest were evaluated. Multi-temporal in the context of this study includes both multi-annual and multiseasonal data. More specifically, the aim of this study was to ascertain what combination of multi-temporal MODIS Enhanced Vegetation Index (EVI) and Middle Infrared (MIR) data is best for detecting insect disturbance with or without a priori knowledge. В© 2005 IEEE.

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Держатели документа:
Science Systems and Applications, Inc., Greenbelt, MD, United States
NASA Goddard Space Flight Center, Greenbelt, MD, United States
Sukachev Institute of Forests, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Kovacs, K.; Ranson, K.J.; Kharuk, V.I.

/ V. I. Kharuk [et al.] // Forest Ecology and Management. - 2013. - Vol. 310. - P312-320, DOI 10.1016/j.foreco.2013.08.042 . -
Аннотация: The causes and resulting spatial patterns of Siberian pine mortality in eastern Kuznetzky Alatau Mountains, Siberia were analyzed based on satellite (Landsat, MODIS) and dendrochronology data. Climate variables studied included temperature, precipitation and Standardized Precipitation-Evapotranspiration Index (SPEI) drought index. Landsat data analysis showed that stand mortality was first detected in the year 2006 at an elevation of 650m, and extended up to 900m by the year 2012. Mortality was accompanied by a decrease in MODIS-derived vegetation index (EVI). The area of dead stands and the upper mortality line were correlated with increased drought. The uphill margin of mortality was limited by elevational precipitation gradients. Dead stands (i.e., >75% tree mortality) were located mainly on southern slopes. With respect to slope, mortality was observed within a 7-20В° range with greatest mortality occurring on convex terrain. Tree radial increment measurements correlate and were synchronous with SPEI (r2=0.37, rs=80). The results also showed the primary role of drought stress on Siberian pine mortality. A secondary role may be played by bark beetles and root fungi attacks. The observed Siberian pine mortality is part of a broader phenomenon of "dark needle conifers" (DNC, i.e., Siberian pine, fir and spruce) decline and mortality in European Russia, Siberia, and the Russian Far East. All locations of DNC decline coincided with areas of observed drought increase. The results obtained are one of the first observations of drought-induced decline and mortality of DNC at the southern border of boreal forests. Meanwhile if model projections of increased aridity are correct DNC within the southern part of its areal may be replaced by drought-resistant Pinus silvestris and Larix sibirica. В© 2013 Elsevier B.V.

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Держатели документа:
V.N. Sukachev Institute of Forest, Siberian Federal University, Krasnoyarsk, Russian Federation
NASA's Goddard Space Flight Center, Greenbelt, MD 20771, United States

Доп.точки доступа:
Kharuk, V.I.; Im, S.T.; Oskorbin, P.A.; Petrov, I.A.; Ranson, K.J.

/ V. I. Kharuk [et al.] // Environ.Res.Lett. - 2015. - Vol. 10, Is. 12, DOI 10.1088/1748-9326/10/12/125009 . - ISSN 1748-9318
Аннотация: Aim: estimation of larch (Larix gmelinii) growth response to current climate changes. Location: permafrost area within the northern part of Central Siberia (∼65.8°N, 98.5°E). Method: analysis of dendrochronological data, climate variables, drought index SPEI, GPP (gross primary production) and EVI vegetation index (both Aqua/MODIS satellite derived), and soil water content anomalies (GRACE satellite measurements of equivalent water thickness anomalies, EWTA). Results: larch tree ring width (TRW) correlated with previous year August precipitation (r = 0.63), snow accumulation (r = 0.61), soil water anomalies (r = 0.79), early summer temperatures and water vapor pressure (r = 0.73 and r = 0.69, respectively), May and June drought index (r = 0.68-0.82). There are significant positive trends of TRW since late 1980 s and GPP since the year 2000. Mean TRW increased by about 50%, which is similar to post-Little Ice Age warming. TRW correlated with GPP and EVI of larch stands (r = 0.68-0.69). Main conclusions: within the permafrost zone of central Siberia larch TRW growth is limited by early summer temperatures, available water from snowmelt, water accumulated within soil in the previous year, and permafrost thaw water. Water stress is one of the limiting factors of larch growth. Larch TRW growth and GPP increased during recent decades. © 2015 IOP Publishing Ltd.

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Держатели документа:
Sukachev Institute of Forest, Krasnoyarsk, Russian Federation
Siberian Federal University, Krasnoyarsk, Russian Federation
Siberian State Aerospace University, Krasnoyarsk, Russian Federation
NASA's GSFC, Greenbelt, MD, United States

Доп.точки доступа:
Kharuk, V. I.; Ranson, K. J.; Im, S. T.; Petrov, I. A.

[Текст] : научное издание / А. С. Прокушкин [и др.] // География и природные ресурсы. - 2017. - № 2. - С. 114-123 : табл., DOI 10.21782/GIPR0206-1619-2017-2(114-123). - Библиогр. в конце ст. . - ISSN 0206-1619
   Перевод заглавия: Carbon and nitrogen in the bogs of the northern part of the Sym-Dubches interfluve

УДК

630*182.5

Аннотация: Описаны исследования, проведенные в лесоболотных комплексах северной части Сым-Дубческого междуречья. Получены сведения о пространственном распространении болот разного генезиса на данной территории, их возрасте (2900-6225 лет), ботаническом (включая степень разложения), элементном (C и N) и биохимическом (полифенольный комплекс) составе торфяных залежей. Установлено, что запасы углерода в залежах низинных болот в 1,4 раза выше по сравнению с верховыми болотами, несмотря на их меньшую мощность. Показано, что элементный и биохимический состав, наряду с ботаническим составом торфа, служат надежными индикаторами типа торфообразовательного процесса. Выявлено резкое сужение величины соотношения C:N при переходе от сфагнового верхового к низинному типу торфа. На основе двух методов датировки получены оценки скоростей аккумуляции углерода в болотах верхового типа ряма: для верхних (до 70 см) слоев - по возрасту деревьев сосны ( Pinus sylvestris L.) и для нижних ( до 400 см ) - ме тодом радиоуглеродной датировки. Определено, что скорость накопления углерода в верхних слоях торфяной залежи более чем в два раза превышает таковую для всей колонки - 84,7 и 30,1 г С/м 2 в год соответственно.
The investigations made in the forest-bog complexes of the northern part of the Sym-Dubches interfluve are outlined. Evi dence has been obtained concerning the spatial distribution of bogs of different genesis across this territory, their age (2900-6225 years), and the botanical (including the degree of decay), elemental (C and N) and biochemical (polyphenol complex) composi tion of peat deposits. It is established that carbon storage in the deposits of lowland bogs is by a factor of 1.4 higher when com pared with raised bogs, in spite of their smaller thickness. It I shown that the elemental and biochemical composition along with the botanical composition of peat serves as a reliable indicator of the type of peat-formation process. The study revealed a dramatic narrowing of the values of the C:N ratio at the transition from the sphagnum raised to the lowland type of peat. Two methods of dating were used to obtain estimates of the carbon accumulation rates in raised bogs (riams). For the upper (up to 70 cm) layers we used the age of pine trees (Pinus sylvestris L.) and for the lower (up to 400 cm) layers - the method of ra diocarbon dating. Ascertaining that the carbon accumulation rate in the upper layers of the peat deposit exceed more than twice the rate for the entire core: 84.7 and 30.1 g C/m 2 per year, respectively.

РИНЦ

Держатели документа:
Институт геологических и экологических наук (GET)
Институт леса им. В.Н. Сукачева СО РАН
Сибирский федеральный университет
Томский государственный университет

Доп.точки доступа:
Прокушкин, А.С.; Prokushkin A.S.; Карпенко, Л.В.; Karpenko L.V.; Токарева, И.В.; Tokareva I.V.; Корец, М.А.; Korets M.A.; Покровский, О.С.; Pokrovskii O.S.

/ V. I. Kharuk, S. T. Im, V. V. Soldatov // J. Mt. Sci. - 2020, DOI 10.1007/s11629-020-5989-3 . - Article in press. - ISSN 1672-6316
Аннотация: Siberian silkmoth (SSM, Dendrolimus sibiricus Tschetv.) is the most important defoliator of Siberian pine (Pinus sibirica Du Tour) and fir (Abies sibirica Ledeb.) stands. Warming-induced SSM outbreaks are one of the major driving factors of successions within the taiga zone. It is suggested that climate change impacted the SSM range and life cycle. We analyzed the migration of alpine and northerly SSM outbreak boundaries in Siberia and the impact of the climate variables and topography on the outbreak dynamics. We used time-series scenes (multispectral data, and vegetation indexes EVI and NDII) in combination with field studies, climate variables, and GIS techniques. We found that SSM outbreaks in the area of alpine boundary shifted about 370 m uphill since the mid of 1950. The outbreak onset was promoted by increased dryness and active temperatures and decreased root zone moisture content in the spring-early summer period. The terrain topography strongly affected SSM outbreak onset and dynamics. Initially, the outbreak was located at the middle elevations on the gentle concave southeastern slopes, which are the favorable insect habitats between outbreaks. Then the outbreak expanded uphill and downhill, to steeper slopes, and both concave and convex terrains. Alongside with elevation range expansion, SSM surpassed its northern historical outbreak boundary: the potential outbreaks’ boundary moved about 300 km northward. Climate warming contributes to SSM migration into former outbreak free conifer stands located in highlands and at northern latitudes. © 2020, Science Press, Institute of Mountain Hazards and Environment, CAS and Springer-Verlag GmbH Germany, part of Springer Nature.

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Держатели документа:
Sukachev Institute of Forest, Federal Scientific Center, Russian Academy of Science, Siberian Branch, Academgorodok 50/28, Krasnoyarsk, 660036, Russian Federation
Siberian Federal University, Svobodny str.79, Krasnoyarsk, 660041, Russian Federation
Reshetnev Siberian State University of Science and Technology, Krasnoyarsky rabochy str. 31, Krasnoyarsk, 660014, Russian Federation
Russian Center of Forest Protection, Academgorodok 50A/2, Krasnoyarsk, 660036, Russian Federation

Доп.точки доступа:
Kharuk, V. I.; Im, S. T.; Soldatov, V. V.

/ V. I. Kharuk, S. T. Im, V. V. Soldatov // J Mt. Sci. - 2020, DOI 10.1007/s11629-020-5989-3. - Cited References:38. - This study was supported by the Russian Foundation for Basic Research, project nos. 18-45-240003 and 18-05-00432. . - Article in press. - ISSN 1672-6316. - ISSN 1993-0321РУБ Environmental Sciences

Аннотация: Siberian silkmoth (SSM,Dendrolimus sibiricusTschetv.) is the most important defoliator of Siberian pine (Pinus sibiricaDu Tour) and fir (Abies sibiricaLedeb.) stands. Warming-induced SSM outbreaks are one of the major driving factors of successions within the taiga zone. It is suggested that climate change impacted the SSM range and life cycle. We analyzed the migration of alpine and northerly SSM outbreak boundaries in Siberia and the impact of the climate variables and topography on the outbreak dynamics. We used time-series scenes (multispectral data, and vegetation indexes EVI and NDII) in combination with field studies, climate variables, and GIS techniques. We found that SSM outbreaks in the area of alpine boundary shifted about 370 m uphill since the mid of 1950. The outbreak onset was promoted by increased dryness and active temperatures and decreased root zone moisture content in the spring-early summer period. The terrain topography strongly affected SSM outbreak onset and dynamics. Initially, the outbreak was located at the middle elevations on the gentle concave southeastern slopes, which are the favorable insect habitats between outbreaks. Then the outbreak expanded uphill and downhill, to steeper slopes, and both concave and convex terrains. Alongside with elevation range expansion, SSM surpassed its northern historical outbreak boundary: the potential outbreaks' boundary moved about 300 km northward. Climate warming contributes to SSM migration into former outbreak free conifer stands located in highlands and at northern latitudes.

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Держатели документа:
Russian Acad Sci, Fed Sci Ctr, Sukachev Inst Forest, Siberian Branch, Academgorodok 50-28, Krasnoyarsk 660036, Russia.
Siberian Fed Univ, Svobodny Str 79, Krasnoyarsk 660041, Russia.
Reshetnev Siberian State Univ Sci & Technol, Krasnoyarsky Rabochy Str 31, Krasnoyarsk 660014, Russia.
Russian Ctr Forest Protect, Academgorodok 50A-2, Krasnoyarsk 660036, Russia.

Доп.точки доступа:
Kharuk, Viacheslav, I; Im, Sergei T.; Soldatov, Vladimir V.; Russian Foundation for Basic ResearchRussian Foundation for Basic Research (RFBR) [18-45-240003, 18-05-00432]