Physical and chemical analysis of firn cores from Ronne Ice Shelf, Antarctica
This data on the distribution of the accumulation rate and 18O content of near-surface layers in the eastern part of the Ronne Ice Shelf, Antarctica, were derived from an analysis of 16 firn cores. The firn cores were drilled along the traverse route of the Filchner-V-Campaign in 1995. The traverse...
Main Authors: | , , , , |
---|---|
Format: | Dataset |
Language: | English |
Published: |
PANGAEA
1999
|
Subjects: | |
Online Access: | https://doi.pangaea.de/10.1594/PANGAEA.548620 https://doi.org/10.1594/PANGAEA.548620 |
id |
ftpangaea:oai:pangaea.de:doi:10.1594/PANGAEA.548620 |
---|---|
record_format |
openpolar |
spelling |
ftpangaea:oai:pangaea.de:doi:10.1594/PANGAEA.548620 2023-05-15T13:29:37+02:00 Physical and chemical analysis of firn cores from Ronne Ice Shelf, Antarctica Graf, Wolfgang Reinwarth, Oskar Oerter, Hans Mayer, Christoph Lambrecht, Astrid MEDIAN LATITUDE: -81.144166 * MEDIAN LONGITUDE: -56.550885 * SOUTH-BOUND LATITUDE: -84.818330 * WEST-BOUND LONGITUDE: -60.360000 * NORTH-BOUND LATITUDE: -77.991670 * EAST-BOUND LONGITUDE: -51.533330 * DATE/TIME START: 1995-02-03T00:00:00 * DATE/TIME END: 1995-02-22T00:00:00 1999-09-28 application/zip, 32 datasets https://doi.pangaea.de/10.1594/PANGAEA.548620 https://doi.org/10.1594/PANGAEA.548620 en eng PANGAEA https://doi.pangaea.de/10.1594/PANGAEA.548620 https://doi.org/10.1594/PANGAEA.548620 CC-BY-3.0: Creative Commons Attribution 3.0 Unported Access constraints: unrestricted info:eu-repo/semantics/openAccess CC-BY Supplement to: Graf, Wolfgang; Reinwarth, Oskar; Oerter, Hans; Mayer, Christoph; Lambrecht, Astrid (1999): Surface accumulation on Foundation Ice Stream, Antarctica. Annals of Glaciology, 29, 23-28, https://doi.org/10.3189/172756499781820987 AWI_Glac Filchner Ronne Ice Shelf Filchner-Ronne-Ice-Shelf-Project FIRN Firn auger Foundation Ice Stream FRI23C95_16 FRI24C95_15 FRI25C95_14 FRI26C95_13 FRI27C95_12 FRI28C95_11 FRI29C95_10 FRI30C95_09 FRI31C95_08 FRI32C95_07 FRI33C95_06 FRI34C95_03 FRI35C95_01 FRI36C95_02 FRI37C95_05 FRI38C95_04 FRISP 1992 Glaciology @ AWI GLB-01 GL01/930 GLB-02 GL02/950 GLB-03 GL03/800 GLB-04 GL04/1100 GLB-05 GL05/1000 GLB-06 GL06/700 GLB-07 GL07/600 GLB-08 GL08 GLB-09 GL09/500 GLB-10 GL10 GLB-11 GL11/400 GLB-12 GL12 GLB-13 GL13 GLB-14 GL14/345 GLB-15 GL15/246 GLB-16 GL16/245 Sampling/drilling ice Dataset 1999 ftpangaea https://doi.org/10.1594/PANGAEA.548620 https://doi.org/10.3189/172756499781820987 2023-01-20T07:31:01Z This data on the distribution of the accumulation rate and 18O content of near-surface layers in the eastern part of the Ronne Ice Shelf, Antarctica, were derived from an analysis of 16 firn cores. The firn cores were drilled along the traverse route of the Filchner-V-Campaign in 1995. The traverse followed an ice flowline of the Foundation Ice Stream and reached the margin of the inland ice, an area which has not yet been investigated. On the ice shelf the accumulation rates decrease with distance from the coast. Ascending to the inland ice the accumulation rates again reach almost coastal values. This regional distribution is in agreement with the temperature gradient along the traverse. The 18O content of the near-surface layers is closely related to the 10 m firn temperature. They strongly decrease from the grounding line towards the inland ice. At the southernmost site at 1100 m a.s.l., the mean d18O value of the firn decreases to -40‰. Ice with that isotopic signature was found in cores from the central part of the Ronne Ice Shelf just above the marine ice layer, indicating that it originates from this area. All ice deposited as snow further south was melted beneath the ice shelf after passing the grounding-line area. The time series of accumulation rate and 18O content reveal no climatic trend during the last 30-50 years. Dataset Annals of Glaciology Antarc* Antarctica Filchner Ronne Ice Shelf Filchner-Ronne Ice Shelf Foundation Ice Stream Ice Shelf Ronne Ice Shelf PANGAEA - Data Publisher for Earth & Environmental Science Foundation Ice Stream ENVELOPE(-60.000,-60.000,-83.250,-83.250) Ronne Ice Shelf ENVELOPE(-61.000,-61.000,-78.500,-78.500) ENVELOPE(-60.360000,-51.533330,-77.991670,-84.818330) |
institution |
Open Polar |
collection |
PANGAEA - Data Publisher for Earth & Environmental Science |
op_collection_id |
ftpangaea |
language |
English |
topic |
AWI_Glac Filchner Ronne Ice Shelf Filchner-Ronne-Ice-Shelf-Project FIRN Firn auger Foundation Ice Stream FRI23C95_16 FRI24C95_15 FRI25C95_14 FRI26C95_13 FRI27C95_12 FRI28C95_11 FRI29C95_10 FRI30C95_09 FRI31C95_08 FRI32C95_07 FRI33C95_06 FRI34C95_03 FRI35C95_01 FRI36C95_02 FRI37C95_05 FRI38C95_04 FRISP 1992 Glaciology @ AWI GLB-01 GL01/930 GLB-02 GL02/950 GLB-03 GL03/800 GLB-04 GL04/1100 GLB-05 GL05/1000 GLB-06 GL06/700 GLB-07 GL07/600 GLB-08 GL08 GLB-09 GL09/500 GLB-10 GL10 GLB-11 GL11/400 GLB-12 GL12 GLB-13 GL13 GLB-14 GL14/345 GLB-15 GL15/246 GLB-16 GL16/245 Sampling/drilling ice |
spellingShingle |
AWI_Glac Filchner Ronne Ice Shelf Filchner-Ronne-Ice-Shelf-Project FIRN Firn auger Foundation Ice Stream FRI23C95_16 FRI24C95_15 FRI25C95_14 FRI26C95_13 FRI27C95_12 FRI28C95_11 FRI29C95_10 FRI30C95_09 FRI31C95_08 FRI32C95_07 FRI33C95_06 FRI34C95_03 FRI35C95_01 FRI36C95_02 FRI37C95_05 FRI38C95_04 FRISP 1992 Glaciology @ AWI GLB-01 GL01/930 GLB-02 GL02/950 GLB-03 GL03/800 GLB-04 GL04/1100 GLB-05 GL05/1000 GLB-06 GL06/700 GLB-07 GL07/600 GLB-08 GL08 GLB-09 GL09/500 GLB-10 GL10 GLB-11 GL11/400 GLB-12 GL12 GLB-13 GL13 GLB-14 GL14/345 GLB-15 GL15/246 GLB-16 GL16/245 Sampling/drilling ice Graf, Wolfgang Reinwarth, Oskar Oerter, Hans Mayer, Christoph Lambrecht, Astrid Physical and chemical analysis of firn cores from Ronne Ice Shelf, Antarctica |
topic_facet |
AWI_Glac Filchner Ronne Ice Shelf Filchner-Ronne-Ice-Shelf-Project FIRN Firn auger Foundation Ice Stream FRI23C95_16 FRI24C95_15 FRI25C95_14 FRI26C95_13 FRI27C95_12 FRI28C95_11 FRI29C95_10 FRI30C95_09 FRI31C95_08 FRI32C95_07 FRI33C95_06 FRI34C95_03 FRI35C95_01 FRI36C95_02 FRI37C95_05 FRI38C95_04 FRISP 1992 Glaciology @ AWI GLB-01 GL01/930 GLB-02 GL02/950 GLB-03 GL03/800 GLB-04 GL04/1100 GLB-05 GL05/1000 GLB-06 GL06/700 GLB-07 GL07/600 GLB-08 GL08 GLB-09 GL09/500 GLB-10 GL10 GLB-11 GL11/400 GLB-12 GL12 GLB-13 GL13 GLB-14 GL14/345 GLB-15 GL15/246 GLB-16 GL16/245 Sampling/drilling ice |
description |
This data on the distribution of the accumulation rate and 18O content of near-surface layers in the eastern part of the Ronne Ice Shelf, Antarctica, were derived from an analysis of 16 firn cores. The firn cores were drilled along the traverse route of the Filchner-V-Campaign in 1995. The traverse followed an ice flowline of the Foundation Ice Stream and reached the margin of the inland ice, an area which has not yet been investigated. On the ice shelf the accumulation rates decrease with distance from the coast. Ascending to the inland ice the accumulation rates again reach almost coastal values. This regional distribution is in agreement with the temperature gradient along the traverse. The 18O content of the near-surface layers is closely related to the 10 m firn temperature. They strongly decrease from the grounding line towards the inland ice. At the southernmost site at 1100 m a.s.l., the mean d18O value of the firn decreases to -40‰. Ice with that isotopic signature was found in cores from the central part of the Ronne Ice Shelf just above the marine ice layer, indicating that it originates from this area. All ice deposited as snow further south was melted beneath the ice shelf after passing the grounding-line area. The time series of accumulation rate and 18O content reveal no climatic trend during the last 30-50 years. |
format |
Dataset |
author |
Graf, Wolfgang Reinwarth, Oskar Oerter, Hans Mayer, Christoph Lambrecht, Astrid |
author_facet |
Graf, Wolfgang Reinwarth, Oskar Oerter, Hans Mayer, Christoph Lambrecht, Astrid |
author_sort |
Graf, Wolfgang |
title |
Physical and chemical analysis of firn cores from Ronne Ice Shelf, Antarctica |
title_short |
Physical and chemical analysis of firn cores from Ronne Ice Shelf, Antarctica |
title_full |
Physical and chemical analysis of firn cores from Ronne Ice Shelf, Antarctica |
title_fullStr |
Physical and chemical analysis of firn cores from Ronne Ice Shelf, Antarctica |
title_full_unstemmed |
Physical and chemical analysis of firn cores from Ronne Ice Shelf, Antarctica |
title_sort |
physical and chemical analysis of firn cores from ronne ice shelf, antarctica |
publisher |
PANGAEA |
publishDate |
1999 |
url |
https://doi.pangaea.de/10.1594/PANGAEA.548620 https://doi.org/10.1594/PANGAEA.548620 |
op_coverage |
MEDIAN LATITUDE: -81.144166 * MEDIAN LONGITUDE: -56.550885 * SOUTH-BOUND LATITUDE: -84.818330 * WEST-BOUND LONGITUDE: -60.360000 * NORTH-BOUND LATITUDE: -77.991670 * EAST-BOUND LONGITUDE: -51.533330 * DATE/TIME START: 1995-02-03T00:00:00 * DATE/TIME END: 1995-02-22T00:00:00 |
long_lat |
ENVELOPE(-60.000,-60.000,-83.250,-83.250) ENVELOPE(-61.000,-61.000,-78.500,-78.500) ENVELOPE(-60.360000,-51.533330,-77.991670,-84.818330) |
geographic |
Foundation Ice Stream Ronne Ice Shelf |
geographic_facet |
Foundation Ice Stream Ronne Ice Shelf |
genre |
Annals of Glaciology Antarc* Antarctica Filchner Ronne Ice Shelf Filchner-Ronne Ice Shelf Foundation Ice Stream Ice Shelf Ronne Ice Shelf |
genre_facet |
Annals of Glaciology Antarc* Antarctica Filchner Ronne Ice Shelf Filchner-Ronne Ice Shelf Foundation Ice Stream Ice Shelf Ronne Ice Shelf |
op_source |
Supplement to: Graf, Wolfgang; Reinwarth, Oskar; Oerter, Hans; Mayer, Christoph; Lambrecht, Astrid (1999): Surface accumulation on Foundation Ice Stream, Antarctica. Annals of Glaciology, 29, 23-28, https://doi.org/10.3189/172756499781820987 |
op_relation |
https://doi.pangaea.de/10.1594/PANGAEA.548620 https://doi.org/10.1594/PANGAEA.548620 |
op_rights |
CC-BY-3.0: Creative Commons Attribution 3.0 Unported Access constraints: unrestricted info:eu-repo/semantics/openAccess |
op_rightsnorm |
CC-BY |
op_doi |
https://doi.org/10.1594/PANGAEA.548620 https://doi.org/10.3189/172756499781820987 |
_version_ |
1766001516859097088 |