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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Shevyrnogov A..., Vysotskaya G..., Shevyrnogov E...
Заглавие : A study of the stationary and the anomalous in the ocean surface chlorophyll distribution by satellite data
Колич.характеристики :5 с
Место публикации : Int. J. Remote Sens.: TAYLOR & FRANCIS LTD, 2004. - Vol. 25: Oceans from Space Venice 2000 Symposium (OCT 09-13, 2000, Venice, ITALY), Is. 07.08.2013. - P1383-1387. - ISSN 0143-1161, DOI 10.1080/01431160310001592337
Примечания : Cited References: 8
Аннотация: Variability of chlorophyll concentration in the ocean is one of the most important components of the primary production process on the planet. To preserve the biosphere and to make appropriate use of it, it is imperative to have a deep insight into the long-term dynamics of the primary production on the planet. To investigate the dynamics of chlorophyll concentration based on satellite data, the Institute of Biophysics (Russian Academy of Sciences, Siberian Branch) has developed a geoinformation system. It was used to detect the areas in the global ocean that are quasistationary in relation to seasonal dynamics of chlorophyll concentration. Areas such as these, found in the Indian Ocean, are described in this work. These areas form the basis for the analysis of long-term dynamics of chlorophyll concentration. In these quasistationary zones systematic monitoring of phytopigment concentration is conducted by space-borne and marine craft. The work presents long-term satellite-based data on the space distribution of anomalous deviations of chlorophyll concentration in the ocean. An anomaly criterion is proposed and maps of Pacific Ocean areas with a high probability of anomalies are presented.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Shevyrnogov A., Vysotskaya G., Shevyrnogov E.
Заглавие : A study of the stationary and the anomalous in the ocean surface chlorophyll distribution by satellite data
Место публикации : International Journal of Remote Sensing. - 2004. - Vol. 25, Is. 7-8. - С. 1383-1387. - ISSN 01431161 (ISSN)
Ключевые слова (''Своб.индексиров.''): chlorophyll--data reduction--oceanography--planets--probability--satellite communication systems--biospheres--remote sensing--chlorophyll--concentration (composition)--remote sensing--satellite data--sea surface
Аннотация: Variability of chlorophyll concentration in the ocean is one of the most important components of the primary production process on the planet. To preserve the biosphere and to make appropriate use of it, it is imperative to have a deep insight into the long-term dynamics of the primary production on the planet. To investigate the dynamics of chlorophyll concentration based on satellite data, the Institute of Biophysics (Russian Academy of Sciences, Siberian Branch) has developed a geoinformation system. It was used to detect the areas in the global ocean that are quasistationary in relation to seasonal dynamics of chlorophyll concentration. Areas such as these, found in the Indian Ocean, are described in this work. These areas form the basis for the analysis of long-term dynamics of chlorophyll concentration. In these quasistationary zones systematic monitoring of phytopigment concentration is conducted by space-borne and marine craft. The work presents long-term satellite-based data on the space distribution of anomalous deviations of chlorophyll concentration in the ocean. An anomaly criterion is proposed and maps of Pacific Ocean areas with a high probability of anomalies are presented. В© 2004 Taylor and Francis Ltd.
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Вид документа : Статья из сборника (однотомник)
Шифр издания :
Автор(ы) : Shevyrnogov A.P., Vysotskaya G.S.
Заглавие : Observed trends of chlorophyll concentration in the surface layer of the Northern and Central Atlantic (1979-1983)
Колич.характеристики :4 с
Место публикации : SYNERGISTIC USE OF MULTISENSOR DATA FOR LAND PROCESSES. Ser. ADVANCES IN SPACE RESEARCH: PERGAMON PRESS LTD, 1998. - Vol. 22: A3 1 Symposium of COSPAR Scientific Commission A on Synergistic Use of Multisensor Data for Land Processes at 31st COSPAR Scientific Assembly (JUL 14-21, 1996, BIRMINGHAM, ENGLAND), Is. 5. - P701-704. - ISBN 0273-1177, DOI 10.1016/S0273-1177(97)01136-8. - ISBN 0-08-043469-X
Примечания : Cited References: 7
Аннотация: To preserve and utilize the biosphere it is imperative that we understand the long-term dynamics of the primary production process on our planet. Variability of chlorophyll concentration in the ocean is one of the most important components of this process. However, size and access make its investigation labour-intensive. Dependence of primary production on high variability of hydrophysical phenomena in the ocean (fluctuations of currents, frontal zones, etc.) makes it difficult to locate points to measure chlorophyll concentration dynamics. To locate such quasistationary zones with respect to seasonal dynamics of chlorophyll concentration by satellite data the Institute of Biophysics (Russian Academy of Sciences, Siberian Branch) has developed a geoinformation system. II use made it possible to locate such zones over the entire ocean. The work shows zones on the Central and Northern Atlantic. They form the ground to analyse perennial dynamics of chlorophyll concentration. The quasistationary zones are proposed for systematic monitoring of phytopigment concentration by space-borne and marine craft. (C) 1998 COSPAR. Published by Elsevier Science Ltd.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Shevyrnogov A.P., Vysotskaya G.S.
Заглавие : Observed trends of chlorophyll concentration in the surface layer of the northern and central Atlantic (1979-1983)
Место публикации : Advances in Space Research. - 1998. - Vol. 22, Is. 5. - С. 701-704. - ISSN 02731177 (ISSN) , DOI 10.1016/S0273-1177(97)01136-8
Ключевые слова (''Своб.индексиров.''): chlorophyll--primary production--remote sensing--atlantic ocean
Аннотация: To preserve and utilize the biosphere it is imperative that we understand the long-term dynamics of the primary production process on our planet. Variability of chlorophyll concentration in the ocean is one of the most important components of this process. However, size and access make its investigation labour-intensive. Dependence of primary production on high variability of hydrophysical phenomena in the ocean (fluctuations of currents, frontal zones, etc.) makes it difficult to locate points to measure chlorophyll concentration dynamics. To locate such quasistationary zones with respect to seasonal dynamics of chlorophyll concentration by satellite data the Institute of Biophysics (Russian Academy of Sciences, Siberian Branch) has developed a geoinformation system. Its use made it possible to locate such zones over the entire ocean. The work shows zones on the Central and Northern Atlantic. They form the ground to analyse perennial dynamics of chlorophyll concentration. The quasistationary zones are proposed for systematic monitoring of phytopigment concentration by space-borne and marine craft.
Scopus
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Shevyrnogov A.P., Vysotskaya G.S., Gitelson J.I.
Заглавие : Quasistationary areas of chlorophyll concentration in the world ocean as observed satellite data
Место публикации : Advances in Space Research. - 1996. - Vol. 18, Is. 7. - С. 129-132. - ISSN 02731177 (ISSN) , DOI 10.1016/0273-1177(95)00955-8
Ключевые слова (''Своб.индексиров.''): chlorophyll concentration--chlorophylls--czcs--ocean chlorophyll concentration--phytopigment dynamics--productivity--quasistationary areas--remote sensing--satellite data--seasonal changes--world ocean
Аннотация: To estimate the seasonal progress of the production process over the planet and its long-standing trend it is important to measure not only the spatial distributions of pigment that represent the rates of photosynthesis but also their time variability. Anthropogenic impact on natural complexes can be efficiently estimated by satellite observations of phytopigment dynamics. This study presents CZCS satellite data processed to reveal spatial inhomogeneity in the seasonal course of chlorophyll concentration in the world ocean on a global scale. Areas with quasistationary and non-stationary seasonal changes in chlorophyll concentration are revealed for the 7.5 years period of CZCS operation. Areas in the world ocean with maximum absolute and relative differences in chlorophyll concentration during different seasons were found. Results are illustrated with a chart of areas in the Atlantic Ocean discerned by dynamic parameters.
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Вид документа : Статья из сборника (однотомник)
Шифр издания :
Автор(ы) : Shevyrnogov A..., Vysotskaya G..., Shevyrnogov E...
Заглавие : Results of analysis of spatial and temporal long-term stability of quasistationary areas in the Atlantic Ocean based on multi-satellite measurements (CZCS and SeaWiFS data)
Колич.характеристики :5 с
Место публикации : CLIMATE CHANGE PROCESSES IN THE STRATOSPHERE, EARTH-ATMOSPHERE-OCEAN SYSTEMS, AND OCEANOGRAPHIC PROCESSES FROM SATELLITE DATA. Ser. ADVANCES IN SPACE RESEARCH: PERGAMON-ELSEVIER SCIENCE LTD, 2004. - Vol. 33: 2nd World Space Congress/34th COSPAR Scientific Assembly (OCT 10-19, 2002, HOUSTON, TX), Is. 7. - P1184-1188. - ISBN 0273-1177, DOI 10.1016/S0273-1177(03)00366-1
Примечания : Cited References: 6
Ключевые слова (''Своб.индексиров.''): chlorophyll--seasonal dynamics--hydrological structure--space-based data
Аннотация: The paper analyzes the stability of areas in the Global Ocean, which are quasistationary with respect to the seasonal dynamics of chlorophyll concentration. Such areas were first discovered based on the CZCS data. They occur almost in all regions of the Global Ocean. They reflect typical seasonal dynamics of phytoplankton, which depends on both large ocean currents and local hydrological instability. It is related to the displacement of frontal zones and to local hydrological anomalies. Since the completion of the CZCS work there has been a 10 years gap in monitoring chlorophyll spatial distribution dynamics in the ocean. The reason is the long absence of equipment on the orbit, which would be suitable for the measurement of chlorophyll concentration. Recently, SeaWiFS data have been accumulated and their quantity is sufficient for the crude statistical analysis of image time series for 25 years. Thus, it has become possible to obtain data on the long-term stability of quasistationary areas and, therefore, on the stability of large-scale hydrological phenomena in the Atlantic Ocean. (C) 2003 COSPAR. Published by Elsevier Ltd. All rights reserved.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Shevyrnogov A., Vysotskaya G., Shevyrnogov E.
Заглавие : Results of analysis of spatial and temporal long-term stability of quasistationary areas in the Atlantic Ocean based on multi-satellite measurements (CZCS and SeaWiFS data)
Место публикации : Advances in Space Research. - 2004. - Vol. 33, Is. 7. - С. 1184-1188. - ISSN 02731177 (ISSN) , DOI 10.1016/S0273-1177(03)00366-1
Ключевые слова (''Своб.индексиров.''): chlorophyll--hydrological structure--seasonal dynamics--space-based data--chlorophyll--data reduction--hydrology--oceanography--satellites--quasistationary--spatial distribution--space research--chlorophyll--czcs--oceanic circulation--remote sensing--seawifs--spatiotemporal analysis--atlantic ocean
Аннотация: The paper analyzes the stability of areas in the Global Ocean, which are quasistationary with respect to the seasonal dynamics of chlorophyll concentration. Such areas were first discovered based on the CZCS data. They occur almost in all regions of the Global Ocean. They reflect typical seasonal dynamics of phytoplankton, which depends on both large ocean currents and local hydrological instability. It is related to the displacement of frontal zones and to local hydrological anomalies. Since the completion of the CZCS work there has been a 10 years gap in monitoring chlorophyll spatial distribution dynamics in the ocean. The reason is the long absence of equipment on the orbit, which would be suitable for the measurement of chlorophyll concentration. Recently, SeaWiFS data have been accumulated and their quantity is sufficient for the crude statistical analysis of image time series for 25 years. Thus, it has become possible to obtain data on the long-term stability of quasistationary areas and, therefore, on the stability of large-scale hydrological phenomena in the Atlantic Ocean. В© 2003 COSPAR. Published by Elsevier Ltd. All rights reserved.
Scopus
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Вид документа : Статья из сборника (однотомник)
Шифр издания :
Автор(ы) : Shevyrnogov A..., Vysotskaya G..., Shevyrnogov E...
Заглавие : Spatial and temporal anomalies of sea surface temperature in global scale (by space-based data)
Колич.характеристики :5 с
Место публикации : CLIMATE CHANGE PROCESSES IN THE STRATOSPHERE, EARTH-ATMOSPHERE-OCEAN SYSTEMS, AND OCEANOGRAPHIC PROCESSES FROM SATELLITE DATA. Ser. ADVANCES IN SPACE RESEARCH: PERGAMON-ELSEVIER SCIENCE LTD, 2004. - Vol. 33: 2nd World Space Congress/34th COSPAR Scientific Assembly (OCT 10-19, 2002, HOUSTON, TX), Is. 7. - P1179-1183. - ISBN 0273-1177, DOI 10.1016/S0273-1177(03)00369-7
Примечания : Cited References: 6
Ключевые слова (''Своб.индексиров.''): temperature--anomalies--hydrological structure--chlorophyll--space-based data
Аннотация: The work presents the data on the spatial distribution of temperature anomalies in the Global Ocean, based on the long-term measurements with the AVHRR satellite equipment. It is noteworthy that such results can be only obtained by using long time series of satellite images. To obtain them by ship-borne methods is actually impossible. The proposed anomaly criterion is equal to a difference between minimum/maximum and average temperature, normed for the mean square deviation. The difference is calculated from the whole time series (with regard to a season). Based on this criterion, anomalies can be distinguished on the background of usual seasonal dynamics at various absolute values of deviations of the measured parameter. Besides, rare, single, fluctuations can be also revealed. Based on the proposed criterion, connected zones have been defined. These zones occur almost in every part of the Global Ocean. The data obtained have been analyzed in association with the CZCS (1978-1986) and SeaWiFS satellite images in order to compare them with the areas of anomalous dynamics of chlorophyll concentration and the regions quasistationary in the seasonal dynamics of chlorophyll. Anomalies in the temperature dynamics are of exceptional importance for the formation of climatic deviations; they affect the ocean-atmosphere interaction and reflect variations in the hydrological structure of the surface waters. The work presents a comparison with the dynamics of chlorophyll concentration distribution determined from the SeaWiFS data for the Atlantic Ocean. (C) 2003 COSPAR. Published by Elsevier Ltd. All rights reserved.
WOS
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Shevyrnogov A., Vysotskaya G., Shevyrnogov E.
Заглавие : Spatial and temporal anomalies of sea surface temperature in global scale (by space-based data)
Место публикации : Advances in Space Research. - 2004. - Vol. 33, Is. 7. - С. 1179-1183. - ISSN 02731177 (ISSN) , DOI 10.1016/S0273-1177(03)00369-7
Ключевые слова (''Своб.индексиров.''): anomalies--chlorophyll--hydrological structure--space-based data--temperature--chlorophyll--data reduction--oceanography--satellites--surface properties--temperature measurement--satellite images--spatial distribution--space research--avhrr--chlorophyll--remote sensing--satellite imagery--sea surface temperature
Аннотация: The work presents the data on the spatial distribution of temperature anomalies in the Global Ocean, based on the long-term measurements with the AVHRR satellite equipment. It is noteworthy that such results can be only obtained by using long time series of satellite images. To obtain them by ship-borne methods is actually impossible. The proposed anomaly criterion is equal to a difference between minimum/maximum and average temperature, normed for the mean square deviation. The difference is calculated from the whole time series (with regard to a season). Based on this criterion, anomalies can be distinguished on the background of usual seasonal dynamics at various absolute values of deviations of the measured parameter. Besides, rare, single, fluctuations can be also revealed. Based on the proposed criterion, connected zones have been defined. These zones occur almost in every part of the Global Ocean. The data obtained have been analyzed in association with the CZCS (1978-1986) and SeaWiFS satellite images in order to compare them with the areas of anomalous dynamics of chlorophyll concentration and the regions quasistationary in the seasonal dynamics of chlorophyll. Anomalies in the temperature dynamics are of exceptional importance for the formation of climatic deviations; they affect the ocean-atmosphere interaction and reflect variations in the hydrological structure of the surface waters. The work presents a comparison with the dynamics of chlorophyll concentration distribution determined from the SeaWiFS data for the Atlantic Ocean. В© 2003 COSPAR. Published by Elsevier Ltd. All rights reserved.
Scopus
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