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中国沙漠  2005 

以植被指数0.12为指标看我国的荒漠化与草原界限的变化

Keywords: NDVI,荒漠化,降水量

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Abstract:

通过对荒漠化描述指标和方法的讨论,最后用植被指数(NDVI)作为描述荒漠化的指标,定性讨论了我国荒漠化和干草原区域近10a的变化。结果表明,NDVI可以用来作为荒漠化特征的指标,NDVI的0.12线大致与200mm降水量相对应。近10a,我国的荒漠化在1998年以后有所扩大。

References

[1]  王涛,赵哈林,肖洪浪.中国沙漠化的研究进展[J].中国沙漠,1999,19(4):299-311.
[2]  董光荣,吴波,慈龙骏,等.我国荒漠化现状、成因与防治对策[J].中国沙漠,1999, 19(4):318-332.
[3]  Charney J G. Dynamics of deserts and drought in Sahel[J]. Quart. J. Roy. Meteor. Soc.,1975,101:193-202.
[4]  Charney J G, Stone P H, Quirk W J. Drought in the Sahara: A biogeophysical feedback mechanism[J]. Science,1975,187:434-435.
[5]  Charney J G, Quirk W J, Chow S H, et al. A comparative study of the effects of albedo change on drought in semi-arid regions[J]. J. Atmos. Sci., 1977,34:1366-1358. 2.0.CO;2 target="_blank">
[6]  Nicholson S E, Tucker C J, Ba M B. Desertification, drought and surface vegetation: An example from the west African Sahel[J]. Bull. Amer. Meteor. Soc.,1998,79(5):815-829. 2.0.CO;2 target="_blank">
[7]  王澄海. 气候变化与荒漠化[M]. 北京:气象出版社, 2003.
[8]  Schlesinger W H, Reynolds J F, Cunningham G L, et al. Biological feedbacks in global desertification[J]. Science, 1990,247:1043-1048.
[9]  Xue Y, Shukla J. The influence of land surface properties on Sahel climate: part 1:Desertification[J]. J.Climate,1993,6:2232-2245. 2.0.CO;2 target="_blank">
[10]  Dirmeyer P A, Shukla J. Albedo as a modulator of climate to subtropical deforestation [J]. J.G. R., 1994,99:20863-20887.
[11]  Dirmeyer P A, Shukla J. The effect on regional and global climate of expansion of the world s deserts [J]. Quart.J.Roy.Meteor.Soc.,1996,122:451-482.
[12]  Tegen I, Fung I. Modeling of mineral dust in the atmosphere: Source, transport, and optical thickness[J]. J. Geophys. Res., 1994, 99:22897-22914.
[13]  Yeh T-C, Wetherald R T, Manabe S. The effect of soil moisture on the short-term climate and hydrology change A numerical experiment[J]. Monthly Weather Review,1984,112(3):474-490. 2.0.CO;2 target="_blank">
[14]  Tucker C J, Sellers P J. Satellite remote sensing of primary production[J]. Int. J. Remote Sens.,1986,7:1395-1416.
[15]  Tucker C J, Nicholson S E. Large-scale Saharan-Sahelian vegetation variations from 1980 to 1996 derived from ground precipitation and NOAA Satellite[J]. Science,1996,7:1395-1416.
[16]  Tucker C J, Dregne H E, Newcomb W W. AVHRR data sets for determination of desert spatial extent[J]. Int. J. Remote Sens., 1994,15:3547-3566.
[17]  Tucker C J, Dregne H E, Newcomb W W. Expansion and contraction of Sahara desert from 1980—1990[J]. Science, 1991,253:299-301.
[18]  Nicholson S E. On the use of the normalized difference vegetation index as an indicator of rainfall[A]. Global Precipitations and Climate Change(NATO ASI Series 1)[C]. Springer, 1994.293-306.
[19]  马明国,王雪梅,角媛梅,等,基于RS与GIS的干旱区绿洲景观格局变化研究——以金塔绿洲为例[J].中国沙漠,2003,23(1):53-58.

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