Climatic classification of the Tibet Autonomous Region using multivariate statistical methods

Leber, D.; Holawe, F.; Häusler, Hermann

doi:10.1007/bf00806934

Cited by 33 publications

(19 citation statements)

References 10 publications

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“…Omitting 2 stations west of 89 • E that are thought to belong to a different climatic region (Leber et al, 1995) 12 stations above 4000 m show a significant negative correlation between altitude and annual trends (significant at the 95% level).…”

Section: Pet Trends In Relation To Altitudementioning

confidence: 99%

Climatic change on the Tibetan Plateau: Potential Evapotranspiration Trends from 1961–2000

2006

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Abstract. Time series of Penman-Monteith potential evapotranspiration estimates for 101 stations on the Tibetan Plateau and surrounding areas are analyzed in this paper. For the Tibetan Plateau as a whole potential evapotranspiration (PET) has decreased in all seasons. The average annual evapotranspiration rate decreased by 13.1 mm/decade or 2.0% of the annual total. Superimposed on this general decline are fluctuations ranging from app. 600 to 700 mm with above average rates in the 1970s and 1980s. On a regional basis, spatial trend distributions remain stable throughout the year with similar seasonal variations. Decreasing PET rates are more pronounced in winter and spring (80% of all stations) as compared to summer and autumn (58% of all stations). Maximum negative (positive) annual rates were recorded at two stations in the southern Qaidam Basin with −79.5 mm/decade (84.8 mm/decade) even though in general negative rates tend to be noticeably higher than positive rates.Changes in wind speed and to a lesser degree relative humidity were found to be the most important meteorological variables affecting PET trends on the Tibetan Plateau while changes in sunshine duration played an insignificant role. Stable daytime temperatures on the Tibetan Plateau have limited the importance of temperature trends for changes of PET rates. Negative evapotranspiration trends are therefore thought to be linked to a general decrease in intensity of the regional monsoon circulation rather than to reductions in sunshine duration. Reduced PET rates appear to be in contrast to a predicted increased hydrological cycle under global warming scenarios.

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Section: Pet Trends In Relation To Altitudementioning

confidence: 99%

Climatic change on the Tibetan Plateau: Potential Evapotranspiration Trends from 1961–2000

2006

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“…The elevation of the Plateau surface ranges from 2500 to 5000 m, with an average of about 4000 m and with many mountain peaks rising over 6000 m above mean sea level. The Plateau can be divided into several physiographic regions (Zhao, 1994;Leber et al, 1995). To the south is the Himalaya Mountains, which act as a rain barrier.…”

Section: Study Areamentioning

confidence: 99%

Temperature anomalies in central and eastern Tibetan Plateau in relation to general circulation patterns during 1951-1993

Yin

Lin²,

Zhao

2000

Int. J. Climatol.

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“…Therefore, the Tibetan Plateau may act as an elevated heat source that can enhance the Asian monsoon Wu et al, 2012). This area is mainly influenced by the Indian Ocean Summer Monsoon (IOSM), which delivers the majority of the precipitation in the summer months, and by the Westerlies in the winter months (Leber et al, 1995;IAEA/WMO, 2012). However, the extent of the IOSM has changed, and several proxies have been used to track the variability of monsoon winds and/or monsoonal precipitation in the past (cf.…”

Section: Introductionmentioning

confidence: 99%

Quaternary ecological responses and impacts of the Indian Ocean Summer Monsoon at Nam Co, Southern Tibetan Plateau

Günther

Witt

Schouten

et al. 2015

Quaternary Science Reviews

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Climatic classification of the Tibet Autonomous Region using multivariate statistical methods

Cited by 33 publications

References 10 publications

Climatic change on the Tibetan Plateau: Potential Evapotranspiration Trends from 1961–2000

Climatic change on the Tibetan Plateau: Potential Evapotranspiration Trends from 1961–2000

Temperature anomalies in central and eastern Tibetan Plateau in relation to general circulation patterns during 1951-1993

Quaternary ecological responses and impacts of the Indian Ocean Summer Monsoon at Nam Co, Southern Tibetan Plateau

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