Accumulation rates for western Dronning Maud Land from firn cores and snow pits
| Cobertura |
MEDIAN LATITUDE: -74.435698 * MEDIAN LONGITUDE: -0.939106 * SOUTH-BOUND LATITUDE: -79.133300 * WEST-BOUND LONGITUDE: -25.366700 * NORTH-BOUND LATITUDE: -70.250000 * EAST-BOUND LONGITUDE: 36.716700 |
|---|---|
| Data(s) |
10/02/2007
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| Resumo |
As a result of intensive field activities carried out by several nations over the past 15 years, a set of accumulation measurements for western Dronning Maud Land, Antarctica, was collected, based on firn-core drilling and snow-pit sampling. This new information was supplemented by earlier data taken from the literature, resulting in 111 accumulation values. Using Geographical Information Systems software, a first region-wide mean annual snow-accumulation field was derived. In order to define suitable interpolation criteria, the accumulation records were analyzed with respect to their spatial autocorrelation and statistical properties. The resulting accumulation pattern resembles well known characteristics such as a relatively wet coastal area with a sharp transition to the dry interior, but also reveals complex topographic effects. Furthermore, this work identifies new high-return shallow drilling sites by uncovering areas of insufficient sampling density. |
| Formato |
text/tab-separated-values, 635 data points |
| Identificador |
https://doi.pangaea.de/10.1594/PANGAEA.407654 doi:10.1594/PANGAEA.407654 |
| Idioma(s) |
en |
| Publicador |
PANGAEA |
| Relação |
Hofstede, Coen M; van de Wal, Roderik S W; Kaspers, Karsten A; van den Broeke, Michiel R; Karlöf, Lars; Winther, Jan-Gunnar; Isaksson, Elisabeth; Lappegard, Gante; Mulvaney, Robert; Oerter, Hans; Wilhelms, Frank (2004): Firn accumulation records for the past 1000 years on the basis of dielectric profiling of six cores from Dronning Maud Land, Antarctica. Journal of Glaciology, 50(169), 297-291, doi:10.3189/172756504781830169 Isaksson, Elisabeth; Karlén, Wibjörn (1994): Spatial and temporal patterns in snow accumulation and oxygen isotopes, Western Dronning Maud Land, Antarctica. Journal of Glaciology, 40, 399-409 Isaksson, Elisabeth; Karlén, Wibjörn; Gundestrup, Niels S; Mayewski, Paul A; Whitlow, Sallie I; Twickler, Mark S (1996): A century of accumulation and temperature changes in Dronning Maud Land, Antarctica. Journal of Geophysical Research-Atmospheres, 101(D3), 7085-7094, doi:10.1029/95JD03232 Isaksson, Elisabeth; van den Broeke, Michiel R; Winther, Jan-Gunnar; Karlöf, Lars; Pinglot, Jean Francis; Gundestrup, Niels S (1999): Accumulation and proxy-temperature variability in Dronning Maud Land, Antarctica, determined from shallow firn cores. Annals of Glaciology, 29, 17-22, doi:10.3189/172756499781821445 Karlöf, Lars; Winther, Jan-Gunnar; Isaksson, Elisabeth; Koehler, Juliana; Pinglot, Jean Francis; Wilhelms, Frank; Hansson, Margareta E; Holmlund, Per; Nyman, M; Pettersson, Rickard; Stenberg, M (2000): A 1500 years record of accumulation at Amundsenisen western Dronning Maud Land, Antarctica, derived from electrical and radioactive measurements on a 120 m ice core. Journal of Geophysical Research-Atmospheres, 105(D10), 12471-12483, doi:10.1029/1999JD901119 Melvold, K (1999): Impact of recent climate on glacier mass balance: studies on Kongsvegen,Svalbard and Jutulstraumen, Antarctica. PhD Thesis, University of Oslo, Department of Geography, 13 Mulvaney, Robert; Wolff, Eric W (1993): Evidence for winter spring denitrification of the stratosphere in the nitrate record of Antartic firn cores. Journal of Geophysical Research-Atmospheres, 98(D3), 5213-5220, doi:10.1029/92JD02966 Oerter, Hans; Graf, Wolfgang; Wilhelms, Frank; Minikin, Andreas; Miller, Heinz (1999): Accumulation studies on Amundsenisen, Dronning Maud Land, by means of tritium, DEP and stable isotope measurements: first results from the 1995/96 and 1996/97 field seasons. Annals of Glaciology, 29, 1-9, doi:10.3189/172756499781820914 Oerter, Hans; Wilhelms, Frank; Jung-Rothenhäusler, Frederik; Göktas, Fidan; Miller, Heinz; Graf, Wolfgang; Sommer, Stefan (2000): Accumulation rates in Dronning Maud Land, Antarctica, as revealed by dielectric-profiling measurements of shallow firn cores. Annals of Glaciology, 30, 27-34, doi:10.3189/172756400781820705 Picciotto, E; Grozaz, G; de Breuck, W (1971): Accumulation on the South Pole-Queen Maud Land Traverse, 1964-1968. Antarctic Snow and Ice Studies, Antarctic Research Series, 16, 257-315, doi:10.1029/AR016p0257 Schlosser, Elisabeth; Oerter, Hans; Graf, Wolfgang (1999): Snow accumulation on Ekströmisen, Antarctica, 1980-1996 (Untersuchungen zur Schnee-Akkumulation auf dem Ekströmisen, Antarktis, 1980-1996). Berichte zur Polarforschung = Reports on Polar Research, 313, 137 pp, doi:10.2312/BzP_0313_1999 Stenberg, M; Isaksson, Elisabeth; Hansson, Margareta E; Karlén, Wibjörn; Mayewski, Paul A; Twickler, Mark S; Whitlow, Sallie I; Gundestrup, Niels S (1998): Spatial variability of snow chemistry in western Dronning Maud Land, Antartica. Annals of Glaciology, 27, 378-384 Wolff, Eric W; Suttie, Edward D (1994): Antarctic snow record of southern-hemisphere lead pollution. Geophysical Research Letters, 21, 781-784, doi:10.1029/94GL00656 |
| Direitos |
CC-BY: Creative Commons Attribution 3.0 Unported Access constraints: unrestricted |
| Fonte |
Supplement to: Rotschky, Gerit; Holmlund, Per; Isaksson, Elisabeth; Mulvaney, Robert; Oerter, Hans; van den Broeke, Michiel R; Winther, Jan-Gunnar (2007): A new surface accumulation map for western Dronning Maud Land, Antarctica, from interpolation of point measurements. Journal of Glaciology, 53(182), 385-398, doi:10.3189/002214307783258459 |
| Palavras-Chave | #Accumulation rate ice, water equivalent; AWI_Glac; Glaciology @ AWI; LATITUDE; LONGITUDE; Period; Sample code/label; Sample comment; Sample type |
| Tipo |
Dataset |
