Identifying scale-location specific control on vegetation distribution in mountain-hill region

Bing wen Qiu, Can ying Zeng, Zhenghong Tang, Wei jiao Li, Aaron Hirsh

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

The scale-location specific control on vegetation distribution was investigated through continuous wavelet transforms approaches in subtropical mountain-hill region, Fujian, China. The Normalized Difference Vegetation Index (NDVI) was calculated as an indicator of vegetation greenness using Chinese Environmental Disaster Reduction Satellite images along latitudinal and longitudinal transects. Four scales of variations were identified from the local wavelet spectrum of NDVI, with much stronger wavelet variances observed at larger scales. The characteristic scale of vegetation distribution within mountainous and hilly regions in Southeast China was around 20 km. Significantly strong wavelet coherency was generally examined in regions with very diverse topography, typically characterized as small mountains and hills fractured by rivers and residents. The continuous wavelet based approaches provided valuable insight on the hierarchical structure and its corresponding characteristic scales of ecosystems, which might be applied in defining proper levels in multilevel models and optimal bandwidths in Geographically Weighted Regression.

Original languageEnglish (US)
Pages (from-to)541-552
Number of pages12
JournalJournal of Mountain Science
Volume10
Issue number4
DOIs
StatePublished - Aug 1 2013

Fingerprint

mountain region
wavelet
China
mountain
vegetation
disaster
NDVI
river
resident
geography
regression
transform
transect
distribution
topography
ecosystem

Keywords

  • Characteristic scale
  • Continuous wavelet transform
  • Mountain-hill region
  • NDVI
  • Scale-location specific

ASJC Scopus subject areas

  • Global and Planetary Change
  • Geography, Planning and Development
  • Geology
  • Earth-Surface Processes
  • Nature and Landscape Conservation

Cite this

Identifying scale-location specific control on vegetation distribution in mountain-hill region. / Qiu, Bing wen; Zeng, Can ying; Tang, Zhenghong; Li, Wei jiao; Hirsh, Aaron.

In: Journal of Mountain Science, Vol. 10, No. 4, 01.08.2013, p. 541-552.

Research output: Contribution to journalArticle

Qiu, Bing wen ; Zeng, Can ying ; Tang, Zhenghong ; Li, Wei jiao ; Hirsh, Aaron. / Identifying scale-location specific control on vegetation distribution in mountain-hill region. In: Journal of Mountain Science. 2013 ; Vol. 10, No. 4. pp. 541-552.
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