Тип публикации: статья из журнала
Год издания: 2013
Идентификатор DOI: 10.1134/S0001433813090132
Ключевые слова: NDVI, MODIS, AVHRR, GIMMS, air temperature, radiation temperature of surface, trends, northern Eurasia, Yermakovsk raion, boreal forest, data processing, error analysis, regression analysis, satellite data, trend analysis, Eurasia, Krasnoyarsk [Russian Federation], Russian Federation
Аннотация: It is found that the nonlinear positive Normalized Difference Vegetation Index (NDVI) trend of mountain taiga in the south of Krasnoyarsk Krai has been negative since 1999-2000. A comparison with the boreal belt of northern Eurasia showed that, though still nonnegative, the positive trend has distinctly decreased to nearly a plateaПоказать полностьюu. A trend analysis of radiation temperature of the surface revealed that the temperature shows a decreasing trend for the selected region of mountainous taiga and an increasing trend for northern Eurasia. We compared air-temperature data from the Yermakovskoe meteorological station to eliminate a preliminary data-processing error. Regression analysis demonstrated a fairly high degree of correlation. Also, we found a quite high degree of correlation between time series and trends of air temperature and NDVI. Trends in air temperature in northern Eurasia according to NCEP-DOE Reanalysis 2 data also confirm the trend found on the basis of satellite data.
Журнал: IZVESTIYA ATMOSPHERIC AND OCEANIC PHYSICS
Выпуск журнала: Vol. 49, Is. 9
Номера страниц: 1047-1056
ISSN журнала: 00014338
Место издания: NEW YORK
Издатель: MAIK NAUKA/INTERPERIODICA/SPRINGER