Interannual Variation of the Growing Season Maximum Normalized Difference Vegetation Index, MNDVI, and Its Relationship with Climatic Factors on the Tibetan Plateau

• Autorzy: Wang, S.-H. , Sun, W. , Li, S.-W. , Shen, Z.-X. , Fu, G.
• Języki publikacji: EN

Abstrakty

EN

The effects of the growing season climatic factors (i.e., temperature, precipitation, vapor pressure and relative humidity) on the growing season maximum normalized difference vegetation index (MNDVI), which can mirror the aboveground net primary production and the vegetation maximum absorbed ability of photosynthetically active radiation, were examined during the period from 2000 to 2012 on the Tibetan Plateau. The effects of climatic factors on the MNDVI changed with vegetation types, which was probably due to the fact that the changes of climatic factors differed with the type of vegetation. There was a significant increasing trend for the spatially averaged MNDVI of the vegetation area over the entire plateau. Approximately 16 and 3% of the vegetation area demonstrated a significant MNDVI increasing and decreasing trend, respectively. The MNDVI was significantly affected by relative humidity and vapor pressure, but not affected by temperature and precipitation over the entire plateau. Our findings suggested that the environmental humidity played a predominant role in affecting the variation of MNDVI over the entire Tibetan Plateau.

Słowa kluczowe

PL

znormalizowany wskaźnik roślinności; indeks NDVI; osad; wilgotność względna; temperatura; Wyżyna Tybetańska; ciśnienie pary

EN

normalized difference vegetation; index-NDVI; precipitation; relative humidity; temperature; Tibetan Plateau; vapor pressure

• Czasopismo: Polish Journal of Ecology
• Rocznik: 2015
• Tom: Vol. 63, nr 3
• Strony: 424--439
• Opis fizyczny: Bibliogr. 37 poz., rys., tab.

Twórcy

autor

Wang, S.-H.

• Chinese Academy of Sciences, Institute of Geographic Sciences and Natural Resources Research, Beijing 100101, China

autor

Sun, W.

• Chinese Academy of Sciences, Institute of Geographic Sciences and Natural Resources Research, Key Laboratory of Ecosystem Network Observation and Modeling, Lhasa Plateau Ecosystem Research Station, Beijing 100101, China

autor

Li, S.-W.

• Chinese Academy of Sciences, Institute of Geographic Sciences and Natural Resources Research, Key Laboratory of Ecosystem Network Observation and Modeling, Lhasa Plateau Ecosystem Research Station, Beijing 100101, China

autor

Shen, Z.-X.

• Chinese Academy of Sciences, Institute of Geographic Sciences and Natural Resources Research, Key Laboratory of Ecosystem Network Observation and Modeling, Lhasa Plateau Ecosystem Research Station, Beijing 100101, China

autor

Fu, G.

• Chinese Academy of Sciences, Institute of Geographic Sciences and Natural Resources Research, Key Laboratory of Ecosystem Network Observation and Modeling, Lhasa Plateau Ecosystem Research Station, Beijing 100101, China,

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Identyfikatory

DOI

10.3161/15052249PJE2015.63.3.012