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  • 1
    Online Resource
    Online Resource
    Meteorological observations on Mount Everest in 2005
    Informa UK Limited ; 2007
    In:  Progress in Natural Science Vol. 17, No. 7 ( 2007-7-1), p. 828-837
    Details
    In: Progress in Natural Science, Informa UK Limited, Vol. 17, No. 7 ( 2007-7-1), p. 828-837
    Type of Medium: Online Resource
    ISSN: 1002-0071
    URL: Article
    DOI: 10.1080/10002007088537479
    Language: English
    Publisher: Informa UK Limited
    Publication Date: 2007
    detail.hit.zdb_id: 2717952-7
    detail.hit.zdb_id: 2094449-4
    SSG: 11
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  • 2
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    Meteorological and glaciological evidence for different climatic variations on the east and west sides of the Lambert Glacier basin, Antarctica
    International Glaciological Society ; 2004
    In:  Annals of Glaciology Vol. 39 ( 2004), p. 188-194
    Details
    In: Annals of Glaciology, International Glaciological Society, Vol. 39 ( 2004), p. 188-194
    Abstract: Surface mass-balance studies and climatic records from firn cores show remarkable differences between the east and west sides of the Lambert Glacier basin (LGB). The spatial distribution of the surface accumulation is influenced by the atmospheric moisture flux, and by the surface wind field, which is largely determined by topography. Atmospheric water-vapor budget data for the ice-sheet sector covering the basin (45–90˚ E) show that on the east side of the LGB the moisture flux is poleward, averaging 18 kgm–1 s–1 in 1988, while for the west side it is Equatorward, averaging 5 kgm–1 s–1. A similar pattern, but with much lower transport of vapor flux, is seen across 70˚ S. Two firn cores from the east side of the basin and two from the west side were analyzed to determine accumulation-rate and temperature-proxy variations for the past 50 years. The trends were opposite on the different sides of the basin. Similar opposing trends are seen in meteorological records from Davis and Mawson coastal stations, situated on the east and west sides of the LGB respectively. There is a good correlation between the accumulation/18O record in ice cores from the eastern LGB and the sea-level pressure (obtained from the US National Centers for Environmental Prediction/US National Center for Atmospheric Research (NCEP/NCAR) re-analyses) of a Southern Indian Ocean low (SIOL), but not between the SIOL and the records from the western LGB. This study reveals that variations in local circulation could alter at least the annual to decadal time-scale climate records, and may result in completely different climate histories between adjacent areas.
    Type of Medium: Online Resource
    ISSN: 0260-3055 , 1727-5644
    URL: Article
    DOI: 10.3189/172756404781814492
    Language: English
    Publisher: International Glaciological Society
    Publication Date: 2004
    detail.hit.zdb_id: 2122400-6
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  • 3
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    The Weddell Sea region: an important precipitation channel to the interior of the Antarctic ice sheet as revealed by glaciochemical investigation of surface snow along the longest trans-Antarctic route
    International Glaciological Society ; 1999
    In:  Annals of Glaciology Vol. 29 ( 1999), p. 55-60
    Details
    In: Annals of Glaciology, International Glaciological Society, Vol. 29 ( 1999), p. 55-60
    Abstract: Glaciochemical analysis of surface snow samples, collected along a profile crossing the Antarctic ice sheet from the Larsen Ice Shelf, Antarctic Peninsula, via the Antarctic Plateau through South Pole, Vostok and Komsomolskaya to Mirny station (at the east margin of East Antarctica), shows that the Weddell Sea region is an important channel for air masses to the high plateau of the Antarctic ice sheet ( 〉 2000 m a.s.l.). This opinion is supported by the following. (1) The fluxes of sea-salt ions such as Na + , Mg 2 + and CF display a decreasing trend from the west to the east of interior Antarctica. In |eneral, as sea-salt aerosols are injected into the atmosphere over the Antarctic ice sheet from the Weddell Sea, large aerosols tend to decrease. For the inland plateau, few large particles of sea-salt aerosol reach the area, and the sea-salt concentration levels are low (2) The high altitude of the East Antarctic plateau, as well as the polar cold high-pressure system, obstruct the intrusive air masses mainly from the South Indian Ocean sector. (3) For the coastal regions of the East Antarctic ice sheet, the elevation rises to 2000 m over a distance from several to several tens of km. High concentrations of sea salt exist in snow in East Antarctica but are limited to a narrow coastal zone. (4) Fluxes of calcium and non-sea-salt sulfate in snow from the interior plateau do not display an eastward-decreasing trend. Since calcium is mainly derived from crustal sources, and nssSO 4 2 - is a secondary aerosol, this again confirms that the eastward-declining tendency of sea-salt ions indicates the transfer direction of precipitation vapor.
    Type of Medium: Online Resource
    ISSN: 0260-3055 , 1727-5644
    URL: Article
    DOI: 10.3189/172756499781821012
    Language: English
    Publisher: International Glaciological Society
    Publication Date: 1999
    detail.hit.zdb_id: 2122400-6
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  • 4
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    Snow surface height variations on the Antarctic ice sheet in Princess Elizabeth Land, Antarctica: 1 year of data from an automatic weather station
    International Glaciological Society ; 2004
    In:  Annals of Glaciology Vol. 39 ( 2004), p. 181-187
    Details
    In: Annals of Glaciology, International Glaciological Society, Vol. 39 ( 2004), p. 181-187
    Abstract: The net surface snow accumulation on the Antarctic ice sheet is determined by a combination of precipitation, sublimation and wind redistribution. We present a 1 year record of hourly snow-height measurements that shows its seasonal variability. The measurements were made with an ultrasonic sensor mounted on an automatic weather station (AWS) installed at LGB69, Princess Elizabeth Land, Antarctica (70.835˚S, 77.075˚E; 1850 ma.s.l.). The average accumulation at this site is approximately 0.70 m snow a –1 . Throughout the winter, between April and September, there was little change in surface snow height. The strongest accumulation occurred during the period October–March, with four episodic increases occurring during 2002. These episodic events coincided with obvious humidity ‘pulses’ and decreases of incoming solar radiation as recorded by the AWS. Observations of the total cloud amount at Davis station, 160 km north-northeast of LGB69, showed good correlation with major accumulation events recorded at LGB69. There was an obvious anticorrelation between the lowest cloud height at Davis and the daily accumulation rate at LGB69. Although there was no correlation over the total year between wind speed and accumulation at LGB69, large individual accumulation events are associated with episodes of strong wind. Strong accumulation events at LGB69 are associated with major storms in the region and inland transport of moist air masses from the coast.
    Type of Medium: Online Resource
    ISSN: 0260-3055 , 1727-5644
    URL: Article
    DOI: 10.3189/172756404781814546
    Language: English
    Publisher: International Glaciological Society
    Publication Date: 2004
    detail.hit.zdb_id: 2122400-6
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  • 5
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    Primary results of glaciological studies along an 1100 km transect from Zhongshan station to Dome A, East Antarctic ice sheet
    International Glaciological Society ; 2000
    In:  Annals of Glaciology Vol. 31 ( 2000), p. 198-204
    Details
    In: Annals of Glaciology, International Glaciological Society, Vol. 31 ( 2000), p. 198-204
    Abstract: The Chinese National Antarctic Research Expedition (GHINARE) carried out three traverses from Zhongshan station to Dome A, Princess Elizabeth Land and Inaccessible Area, East Antarctic ice sheet, during the 1996/97 to 1998/99 Antarctic field seasons. The expeditions are part of the Chinese International Trans-Antarctic Scientific Expedition program. In this project, glaciological investigations of mass balance, ice temperature, ice flow, stratigraphy in snow pits and snow/firn ice cores, as well as the glaciochemical study of surface snow and shallow ice cores, have been carried out. In the 1998/99 field season, CHINARE extended the traverse route to 1128 km inland from Zhongshan station. The density profiles show that firnification over Princess Elizabeth Land and Inaccessible Area (290–1100 km along the route) is fairly slow, and the accumulation rate recovered from snow pits along the initial 460 km of the route is 4.6–21 cm (46–210 kg m–2a –1 ) water equivalent. The initial 460 km of the route can be divided into four sections based on the differences of accumulation rate. This pattern approximately coincides with the study on the Lambert Glacier basin (LGB) by Australian scientists. During the past 50 years, the trends of both air temperature and accumulation rate show a slight increase in this area, in contrast to the west side of the LGB. Data on surface accumulation rates and their spatial and temporal variability over ice-drainage areas such as the LGB are essential for precise mass-balance calculation of the whole ice sheet, and are important for driving ice-sheet models and testing atmospheric models.
    Type of Medium: Online Resource
    ISSN: 0260-3055 , 1727-5644
    URL: Article
    DOI: 10.3189/172756400781819860
    Language: English
    Publisher: International Glaciological Society
    Publication Date: 2000
    detail.hit.zdb_id: 2122400-6
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  • 6
    Online Resource
    Online Resource
    Different Climate Regimes Over the Coastal Regions of the Eastern Antarctic Ice Sheet
    Korea Ocean Research and Development Institute ; 2002
    In:  Ocean and Polar Research Vol. 24, No. 3 ( 2002-09-30), p. 227-236
    Details
    In: Ocean and Polar Research, Korea Ocean Research and Development Institute, Vol. 24, No. 3 ( 2002-09-30), p. 227-236
    Type of Medium: Online Resource
    ISSN: 1598-141X
    URL: Article
    DOI: 10.4217/OPR.2002.24.3.227
    Language: English
    Publisher: Korea Ocean Research and Development Institute
    Publication Date: 2002
    detail.hit.zdb_id: 2051540-6
    detail.hit.zdb_id: 2381613-2
    SSG: 12
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  • 7
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    Online Resource
    The climatic and environmental features on both sides of the Lambert Glacier Basin
    Springer Science and Business Media LLC ; 2004
    In:  Journal of Geographical Sciences Vol. 14, No. 3 ( 2004-7), p. 282-288
    Details
    In: Journal of Geographical Sciences, Springer Science and Business Media LLC, Vol. 14, No. 3 ( 2004-7), p. 282-288
    Type of Medium: Online Resource
    ISSN: 1009-637X , 1861-9568
    URL: Article
    DOI: 10.1007/BF02837408
    Language: English
    Publisher: Springer Science and Business Media LLC
    Publication Date: 2004
    detail.hit.zdb_id: 2227441-8
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  • 8
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    Online Resource
    Temperature variation and its driving forces over the Antarctic coastal regions in the past 250 years
    Springer Science and Business Media LLC ; 2002
    In:  Journal of Geographical Sciences Vol. 12, No. 4 ( 2002-10), p. 379-386
    Details
    In: Journal of Geographical Sciences, Springer Science and Business Media LLC, Vol. 12, No. 4 ( 2002-10), p. 379-386
    Type of Medium: Online Resource
    ISSN: 1009-637X , 1861-9568
    URL: Article
    DOI: 10.1007/BF02844594
    Language: English
    Publisher: Springer Science and Business Media LLC
    Publication Date: 2002
    detail.hit.zdb_id: 2227441-8
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  • 9
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    Moraine-dammed lake distribution and outburst flood risk in the Chinese Himalaya
    International Glaciological Society ; 2015
    In:  Journal of Glaciology Vol. 61, No. 225 ( 2015), p. 115-126
    Details
    In: Journal of Glaciology, International Glaciological Society, Vol. 61, No. 225 ( 2015), p. 115-126
    Abstract: To better understand the risk of disasters due to glacial lake outburst floods (GLOFs), we synthetically analyze the spatial distribution and evolution of moraine-dammed lakes and potentially dangerous glacial lakes (PDGLs) in the Chinese Himalaya. Our county-based assessment of GLOF disaster risk combines PDGL outburst hazard, regional exposure, vulnerability of exposed elements and adaptation capability (risk management) using the analytic hierarchy process. We synthetically analyze the disaster risk using the weighted comprehensive method. Remote-sensing data show there are 329 moraine-dammed lakes ( 〉 0.02 km 2 ; total area 125.43 km 2 ) in the Chinese Himalaya, of which 116 (total area 49.49 km 2 ) are identified as PDGLs. The zones at highest risk of GLOF disaster are mainly located in Nyalam, Tingri, Dinggyê, Lhozhag, Kangmar and Zhongba, in the mid-eastern Himalaya. Lowest-risk zones are located in the eastern Himalaya. On the county scale, Lhozhag and Lhunze have the highest hazard degrees and exposure, while Zhongba and Zando have the highest degree of vulnerability and lowest adaptation capacity. Our regionalization results for GLOF disaster risk are consistent with the distribution of historical disaster sites across the Chinese Himalaya.
    Type of Medium: Online Resource
    ISSN: 0022-1430 , 1727-5652
    URL: Article
    DOI: 10.3189/2015JoG14J097
    Language: English
    Publisher: International Glaciological Society
    Publication Date: 2015
    detail.hit.zdb_id: 2140541-4
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  • 10
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    Climatological significance of δ 18 O in precipitation and ice cores: a case study at the head of the Ürümqi river, Tien Shan, China
    International Glaciological Society ; 1999
    In:  Journal of Glaciology Vol. 45, No. 151 ( 1999), p. 517-523
    Details
    In: Journal of Glaciology, International Glaciological Society, Vol. 45, No. 151 ( 1999), p. 517-523
    Abstract: Stable-oxygen-isotope ratios (δ 18 O) of precipitation and ice-core samples collected from the headwaters of the Urümqi river, Tien Shan, China, were used to test the relationship between δ 18 O and contemporaneous surface air temperature (T a ). A strong temporal relationship is found between δ 18 O in precipitation and T a , particularly for the monthly averages which remove synoptic-scale influences such as changes in condensation level, condensation temperature and moisture sources ( Yao and others, 1996). Linear fits as high as 0.95‰° C -1 for precipitation events and 1.23‰° C -1 for monthly averages are found. Although the δ 18 O amplitude in ice cores drilled at the nearby Ürümqi glacier No.1(~2 km from the precipitation sampling site) decreased dramatically compared to the precipitation samples, the ice-core records of annually averaged δ 18 are still positively correlated with contemporaneous air temperature, especially summer air temperature, at the nearby Daxigou meteorological station. Nevertheless, the relationship between the ice-core δ 18 O records and contemporaneous air temperature is less significant than that for the precipitation samples due to depositional and post-depositional modification processes, which are highlighted by the successive snow-pit δ 18 O profiles from the Ürümqi glacier No.1. Our results might extend the application of high-altitude and subtropical ice-core δ 18 O — T a records for paleoclimate reconstruction.
    Type of Medium: Online Resource
    ISSN: 0022-1430 , 1727-5652
    URL: Article
    DOI: 10.3189/S0022143000001374
    Language: English
    Publisher: International Glaciological Society
    Publication Date: 1999
    detail.hit.zdb_id: 2140541-4
    SSG: 14
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