Cobin 2008 Evaluation of Modern Sedimentation Processes in a Proglacial Lake: Linnévatnet, Spitsbergen, Svalbard
Abstract: Cores from proglacial lake, Lake Linné, on Svalbard contain varves that hold important information about past climate change. By establishing a relationship between modern sedimentation and measured environmental conditions, we hope to calibrate the late Holocene sediment record found in L...
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Arctic Data Center
2013
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Online Access: | https://doi.org/10.18739/A22S47 |
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Arctic Data Center (via DataONE) |
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EARTH SCIENCE > LAND SURFACE > EROSION/SEDIMENTATION > SEDIMENTS EARTH SCIENCE > PALEOCLIMATE > LAND RECORDS > SEDIMENTS EARTH SCIENCE > PALEOCLIMATE > OCEAN/LAKE RECORDS > SEDIMENTS EARTH SCIENCE > PALEOCLIMATE > OCEAN/LAKE RECORDS > VARVE DEPOSITS EARTH SCIENCE > LAND SURFACE > EROSION/SEDIMENTATION > ENTRAINMENT EARTH SCIENCE > LAND SURFACE > EROSION/SEDIMENTATION > SEDIMENTATION EARTH SCIENCE > LAND SURFACE > EROSION/SEDIMENTATION > DEGRADATION EARTH SCIENCE > LAND SURFACE > EROSION/SEDIMENTATION > SEDIMENT TRANSPORT EARTH SCIENCE > CRYOSPHERE > FROZEN GROUND > PERIGLACIAL PROCESSES EARTH SCIENCE > LAND SURFACE > EROSION/SEDIMENTATION > SUSPENDED SOLIDS IN SITU/LABORATORY INSTRUMENTS > SAMPLERS > GRABBERS/TRAPS/COLLECTORS > SEDIMENT TRAPS IN SITU/LABORATORY INSTRUMENTS > CORERS > SEDIMENT CORERS EARTH REMOTE SENSING INSTRUMENTS > PASSIVE REMOTE SENSING > POSITIONING/NAVIGATION > GPS > GPS > GLOBAL POSITIONING SYSTEM IN SITU/LABORATORY INSTRUMENTS > PROBES > PROBES IN SITU/LABORATORY INSTRUMENTS > CORERS > CORING DEVICES IN SITU/LABORATORY INSTRUMENTS > PROBES > STEEL MEASURING TAPE IN SITU/LABORATORY INSTRUMENTS > CURRENT/WIND METERS > CURRENT METERS MANNED FIELD STATION HOURLY TO DAILY DAILY TO WEEKLY 1 MINUTE TO 1 HOUR WEEKLY TO MONTHLY inlandWaters environment climatologyMeteorologyAtmosphere |
spellingShingle |
EARTH SCIENCE > LAND SURFACE > EROSION/SEDIMENTATION > SEDIMENTS EARTH SCIENCE > PALEOCLIMATE > LAND RECORDS > SEDIMENTS EARTH SCIENCE > PALEOCLIMATE > OCEAN/LAKE RECORDS > SEDIMENTS EARTH SCIENCE > PALEOCLIMATE > OCEAN/LAKE RECORDS > VARVE DEPOSITS EARTH SCIENCE > LAND SURFACE > EROSION/SEDIMENTATION > ENTRAINMENT EARTH SCIENCE > LAND SURFACE > EROSION/SEDIMENTATION > SEDIMENTATION EARTH SCIENCE > LAND SURFACE > EROSION/SEDIMENTATION > DEGRADATION EARTH SCIENCE > LAND SURFACE > EROSION/SEDIMENTATION > SEDIMENT TRANSPORT EARTH SCIENCE > CRYOSPHERE > FROZEN GROUND > PERIGLACIAL PROCESSES EARTH SCIENCE > LAND SURFACE > EROSION/SEDIMENTATION > SUSPENDED SOLIDS IN SITU/LABORATORY INSTRUMENTS > SAMPLERS > GRABBERS/TRAPS/COLLECTORS > SEDIMENT TRAPS IN SITU/LABORATORY INSTRUMENTS > CORERS > SEDIMENT CORERS EARTH REMOTE SENSING INSTRUMENTS > PASSIVE REMOTE SENSING > POSITIONING/NAVIGATION > GPS > GPS > GLOBAL POSITIONING SYSTEM IN SITU/LABORATORY INSTRUMENTS > PROBES > PROBES IN SITU/LABORATORY INSTRUMENTS > CORERS > CORING DEVICES IN SITU/LABORATORY INSTRUMENTS > PROBES > STEEL MEASURING TAPE IN SITU/LABORATORY INSTRUMENTS > CURRENT/WIND METERS > CURRENT METERS MANNED FIELD STATION HOURLY TO DAILY DAILY TO WEEKLY 1 MINUTE TO 1 HOUR WEEKLY TO MONTHLY inlandWaters environment climatologyMeteorologyAtmosphere ACADIS Community Support Cobin 2008 Evaluation of Modern Sedimentation Processes in a Proglacial Lake: Linnévatnet, Spitsbergen, Svalbard |
topic_facet |
EARTH SCIENCE > LAND SURFACE > EROSION/SEDIMENTATION > SEDIMENTS EARTH SCIENCE > PALEOCLIMATE > LAND RECORDS > SEDIMENTS EARTH SCIENCE > PALEOCLIMATE > OCEAN/LAKE RECORDS > SEDIMENTS EARTH SCIENCE > PALEOCLIMATE > OCEAN/LAKE RECORDS > VARVE DEPOSITS EARTH SCIENCE > LAND SURFACE > EROSION/SEDIMENTATION > ENTRAINMENT EARTH SCIENCE > LAND SURFACE > EROSION/SEDIMENTATION > SEDIMENTATION EARTH SCIENCE > LAND SURFACE > EROSION/SEDIMENTATION > DEGRADATION EARTH SCIENCE > LAND SURFACE > EROSION/SEDIMENTATION > SEDIMENT TRANSPORT EARTH SCIENCE > CRYOSPHERE > FROZEN GROUND > PERIGLACIAL PROCESSES EARTH SCIENCE > LAND SURFACE > EROSION/SEDIMENTATION > SUSPENDED SOLIDS IN SITU/LABORATORY INSTRUMENTS > SAMPLERS > GRABBERS/TRAPS/COLLECTORS > SEDIMENT TRAPS IN SITU/LABORATORY INSTRUMENTS > CORERS > SEDIMENT CORERS EARTH REMOTE SENSING INSTRUMENTS > PASSIVE REMOTE SENSING > POSITIONING/NAVIGATION > GPS > GPS > GLOBAL POSITIONING SYSTEM IN SITU/LABORATORY INSTRUMENTS > PROBES > PROBES IN SITU/LABORATORY INSTRUMENTS > CORERS > CORING DEVICES IN SITU/LABORATORY INSTRUMENTS > PROBES > STEEL MEASURING TAPE IN SITU/LABORATORY INSTRUMENTS > CURRENT/WIND METERS > CURRENT METERS MANNED FIELD STATION HOURLY TO DAILY DAILY TO WEEKLY 1 MINUTE TO 1 HOUR WEEKLY TO MONTHLY inlandWaters environment climatologyMeteorologyAtmosphere |
description |
Abstract: Cores from proglacial lake, Lake Linné, on Svalbard contain varves that hold important information about past climate change. By establishing a relationship between modern sedimentation and measured environmental conditions, we hope to calibrate the late Holocene sediment record found in Lake Linné. Since 2003 sediment trap moorings at five locations in the lake have provided proximal to distal records of overall lake sedimentation. Each mooring also had multiple traps positioned at various water depths, providing insights into the sediment distribution processes in the basin. Trap data show a clear proximal to distal decrease in sediment accumulation and grain size. The data also show an increase in sediment accumulation and grain size as water depth increases. In the most proximal traps, the finest sediment is found at the traps bottom in a very thin layer. It is followed by an abrupt increase in particle size, which grades to the coarsest sediment found in each trap. During May of 2007, prior to the spring melt, sediment traps were deployed, and an automated camera was set-up to take pictures of the inflow into the lake. The spring traps do not record any of the fine sediment found in the bottom of the yearly traps, suggesting that the majority of sediment in the yearlong traps was deposited during/after the spring melt. In addition to the spring traps and camera, snow sensors and meteorological data associate the abrupt increase in particle size with the loss of the snow pack during the spring melt. After the loss of the snowpack, other pulses of coarse sediment are linked to rainfall events in the valley. In contrast, the sediment collected at the top of the traps in July and August, the height of the ablation season, has a finer texture (fine silt and clay). These findings are consistent with data from previous years, suggesting that for systems like Lake Linné, silt laminations are related to high stream discharge events, resulting from the loss of snow pack and large rain events. The annual clay layer thickness is related to the amount of annual glacier ablation, indicating that the thickness of the clay laminations in the lake cores may be the best proxy for reconstructing late Holocene glacier mass balance. The thickness and the texture of the corresponding silt laminations are related to the environmental conditions, sediment that is remobilized in the fluvial system during high discharge events. |
format |
Dataset |
author |
ACADIS Community Support |
author_facet |
ACADIS Community Support |
author_sort |
ACADIS Community Support |
title |
Cobin 2008 Evaluation of Modern Sedimentation Processes in a Proglacial Lake: Linnévatnet, Spitsbergen, Svalbard |
title_short |
Cobin 2008 Evaluation of Modern Sedimentation Processes in a Proglacial Lake: Linnévatnet, Spitsbergen, Svalbard |
title_full |
Cobin 2008 Evaluation of Modern Sedimentation Processes in a Proglacial Lake: Linnévatnet, Spitsbergen, Svalbard |
title_fullStr |
Cobin 2008 Evaluation of Modern Sedimentation Processes in a Proglacial Lake: Linnévatnet, Spitsbergen, Svalbard |
title_full_unstemmed |
Cobin 2008 Evaluation of Modern Sedimentation Processes in a Proglacial Lake: Linnévatnet, Spitsbergen, Svalbard |
title_sort |
cobin 2008 evaluation of modern sedimentation processes in a proglacial lake: linnévatnet, spitsbergen, svalbard |
publisher |
Arctic Data Center |
publishDate |
2013 |
url |
https://doi.org/10.18739/A22S47 |
op_coverage |
ATLANTIC OCEAN > NORTH ATLANTIC OCEAN > SVALBARD AND JAN MAYEN ENVELOPE(13.731,13.896,78.066,78.028) |
long_lat |
ENVELOPE(20.000,20.000,78.000,78.000) ENVELOPE(13.824,13.824,78.042,78.042) ENVELOPE(13.731,13.896,78.066,78.028) |
geographic |
Svalbard Jan Mayen Svalbard Linnévatnet |
geographic_facet |
Svalbard Jan Mayen Svalbard Linnévatnet |
genre |
glacier Jan Mayen North Atlantic Svalbard Spitsbergen |
genre_facet |
glacier Jan Mayen North Atlantic Svalbard Spitsbergen |
op_doi |
https://doi.org/10.18739/A22S47 |
_version_ |
1800872034294562816 |
spelling |
dataone:doi:10.18739/A22S47 2024-06-03T18:46:51+00:00 Cobin 2008 Evaluation of Modern Sedimentation Processes in a Proglacial Lake: Linnévatnet, Spitsbergen, Svalbard ACADIS Community Support ATLANTIC OCEAN > NORTH ATLANTIC OCEAN > SVALBARD AND JAN MAYEN ENVELOPE(13.731,13.896,78.066,78.028) 2013-11-09T00:00:00Z https://doi.org/10.18739/A22S47 unknown Arctic Data Center EARTH SCIENCE > LAND SURFACE > EROSION/SEDIMENTATION > SEDIMENTS EARTH SCIENCE > PALEOCLIMATE > LAND RECORDS > SEDIMENTS EARTH SCIENCE > PALEOCLIMATE > OCEAN/LAKE RECORDS > SEDIMENTS EARTH SCIENCE > PALEOCLIMATE > OCEAN/LAKE RECORDS > VARVE DEPOSITS EARTH SCIENCE > LAND SURFACE > EROSION/SEDIMENTATION > ENTRAINMENT EARTH SCIENCE > LAND SURFACE > EROSION/SEDIMENTATION > SEDIMENTATION EARTH SCIENCE > LAND SURFACE > EROSION/SEDIMENTATION > DEGRADATION EARTH SCIENCE > LAND SURFACE > EROSION/SEDIMENTATION > SEDIMENT TRANSPORT EARTH SCIENCE > CRYOSPHERE > FROZEN GROUND > PERIGLACIAL PROCESSES EARTH SCIENCE > LAND SURFACE > EROSION/SEDIMENTATION > SUSPENDED SOLIDS IN SITU/LABORATORY INSTRUMENTS > SAMPLERS > GRABBERS/TRAPS/COLLECTORS > SEDIMENT TRAPS IN SITU/LABORATORY INSTRUMENTS > CORERS > SEDIMENT CORERS EARTH REMOTE SENSING INSTRUMENTS > PASSIVE REMOTE SENSING > POSITIONING/NAVIGATION > GPS > GPS > GLOBAL POSITIONING SYSTEM IN SITU/LABORATORY INSTRUMENTS > PROBES > PROBES IN SITU/LABORATORY INSTRUMENTS > CORERS > CORING DEVICES IN SITU/LABORATORY INSTRUMENTS > PROBES > STEEL MEASURING TAPE IN SITU/LABORATORY INSTRUMENTS > CURRENT/WIND METERS > CURRENT METERS MANNED FIELD STATION HOURLY TO DAILY DAILY TO WEEKLY 1 MINUTE TO 1 HOUR WEEKLY TO MONTHLY inlandWaters environment climatologyMeteorologyAtmosphere Dataset 2013 dataone:urn:node:ARCTIC https://doi.org/10.18739/A22S47 2024-06-03T18:08:13Z Abstract: Cores from proglacial lake, Lake Linné, on Svalbard contain varves that hold important information about past climate change. By establishing a relationship between modern sedimentation and measured environmental conditions, we hope to calibrate the late Holocene sediment record found in Lake Linné. Since 2003 sediment trap moorings at five locations in the lake have provided proximal to distal records of overall lake sedimentation. Each mooring also had multiple traps positioned at various water depths, providing insights into the sediment distribution processes in the basin. Trap data show a clear proximal to distal decrease in sediment accumulation and grain size. The data also show an increase in sediment accumulation and grain size as water depth increases. In the most proximal traps, the finest sediment is found at the traps bottom in a very thin layer. It is followed by an abrupt increase in particle size, which grades to the coarsest sediment found in each trap. During May of 2007, prior to the spring melt, sediment traps were deployed, and an automated camera was set-up to take pictures of the inflow into the lake. The spring traps do not record any of the fine sediment found in the bottom of the yearly traps, suggesting that the majority of sediment in the yearlong traps was deposited during/after the spring melt. In addition to the spring traps and camera, snow sensors and meteorological data associate the abrupt increase in particle size with the loss of the snow pack during the spring melt. After the loss of the snowpack, other pulses of coarse sediment are linked to rainfall events in the valley. In contrast, the sediment collected at the top of the traps in July and August, the height of the ablation season, has a finer texture (fine silt and clay). These findings are consistent with data from previous years, suggesting that for systems like Lake Linné, silt laminations are related to high stream discharge events, resulting from the loss of snow pack and large rain events. The annual clay layer thickness is related to the amount of annual glacier ablation, indicating that the thickness of the clay laminations in the lake cores may be the best proxy for reconstructing late Holocene glacier mass balance. The thickness and the texture of the corresponding silt laminations are related to the environmental conditions, sediment that is remobilized in the fluvial system during high discharge events. Dataset glacier Jan Mayen North Atlantic Svalbard Spitsbergen Arctic Data Center (via DataONE) Svalbard Jan Mayen Svalbard ENVELOPE(20.000,20.000,78.000,78.000) Linnévatnet ENVELOPE(13.824,13.824,78.042,78.042) ENVELOPE(13.731,13.896,78.066,78.028) |