Birger Ulf Hansen
Dados Biográficos
| ID | 5776578 |
|---|---|
| NOME | Birger Ulf Hansen |
| PRENOMES | Birger Ulf |
| SOBRENOME | Hansen |
| ASSINATURA | HANSEN B U |
| AFILIAÇÕES | University of Copenhagen |
| ORCID | 0000-0002-5440-6925 |
| VERIFICADO | Sim |
| TOTAL DE OBRAS | 32 |
| TOTAL DE CITAÇÕES | 64 |
| TOTAL COMO AUTOR | 32 |
| TOTAL COMO EDITOR | 0 |
| PRIMEIRO ANO DE PUBLICAÇÃO | 1987 |
| ANO MAIS RECENTE DE PUBLICAÇÃO | 2017 |
| ÍNDICE H | 4 |
Deltas, freshwater discharge, and waves along the Young Sound, NE Greenland
A wide range of delta morphologies occurs along the fringes of the Young Sound in Northeast Greenland due to spatial heterogeneity of delta regimes. In general, the delta regime is related to catchment and basin characteristics (geology, topography, drainage pattern, sediment availability, and bathymetry), fluvial discharges and associated sediment load, and processes by waves and currents. Main factors steering the Arctic fluvial discharges into…
Transitions in high-Arctic vegetation growth patterns and ecosystem productivity tracked with automated cameras from 2000 to 2013
Climate-induced changes in vegetation phenology at northern latitudes are still poorly understood. Continued monitoring and research are therefore needed to improve the understanding of abiotic drivers. Here we used 14 years of time lapse imagery and climate data from high-Arctic Northeast Greenland to assess the seasonal response of a dwarf shrub heath, grassland, and fen, to inter-annual variation in snow-cover, soil moisture, and air and soil …
Vegetation phenology gradients along the west and east coasts of Greenland from 2001 to 2015
The objective of this paper is to characterize the spatiotemporal variations of vegetation phenology along latitudinal and altitudinal gradients in Greenland, and to examine local and regional climatic drivers. Time-series from the Moderate Resolution Imaging Spectroradiometer (MODIS) were analyzed to obtain various phenological metrics for the period 2001-2015. MODIS-derived land surface temperatures were corrected for the sampling biases caused…
Hotspots and key periods of Greenland climate change during the past six decades
We investigated air temperature and pressure gradients and their trends for the period 1996-2014 in Greenland and compared these to other periods since 1958. Both latitudinal temperature and pressure gradients were strongest during winter. An overall temperature increase up to 0.15 °C year -1 was observed for 1996-2014. The strongest warming happened during February at the West coast (up to 0.6 °C year -1 ), weaker but consistent and significant …
Toward a statistical description of methane emissions from arctic wetlands
Methane (CH 4 ) emissions from arctic tundra typically follow relations with soil temperature and water table depth, but these process-based descriptions can be difficult to apply to areas where no measurements exist. We formulated a description of the broader temporal flux pattern in the growing season based on two distinct CH 4 source components from slow and fast-turnover carbon. We used automatic closed chamber flux measurements from NE Green…
Spatiotemporal variability in surface energy balance across tundra, snow and ice in Greenland
The surface energy balance (SEB) is essential for understanding the coupled cryosphere-atmosphere system in the Arctic. In this study, we investigate the spatiotemporal variability in SEB across tundra, snow and ice. During the snow-free period, the main energy sink for ice sites is surface melt. For tundra, energy is used for sensible and latent heat flux and soil heat flux leading to permafrost thaw. Longer snow-free period increases melting of…
Paleo-Eskimo kitchen midden preservation in permafrost under future climate conditions at Qajaa, West Greenland
L'évolution à long terme des standards vue d'Europe
Climatic conditions at the Mittivakkat Glacier catchment (1994–2006), Ammassalik Island, SE Greenland, and in a 109-year perspective (1898–2006)
Geografisk Tidsskrift, Danish Journal of Geography 108(1):51–72, 2008 The present-day climate in the Mittivakkat Glacier catchment (65°N), Southeast Greenland, is investigated spatiotemporally based on time series (13 years, 1994–2006) and standard synoptic climate data from the meteorological station in Tasiilaq (Ammasslik), covering 109 years (1898–2006). Within the catchment, meteorological conditions are monitored at the coast (Station Coast,…
Meteorological observations 2006 and ground temperature variations over 12-year at the Sermilik Station, Ammassalik Island, Southeast Greenland
Geografisk Tidsskrift, Danish Journal of Geography 108(1):153–161, 2008 Meteorological stations have been in operation since 1993 at the Sermilik Research Station (65°40′N, 38°10′W), Ammassalik Island, Southeast Greenland. This note presents meteorological observations for the calendar year 2006 from the two meteorological stations: Station Nunatak (515 m a.s.l.) and Station Coast (25 m a.s.l.). The year 2006 record is not complete due to a tempo…
Meteorological observations 2005 and in a longer perspective at the Sermilik Station, Ammassalik Island, Southeast Greenland
Geografisk Tidsskrift, Danish Journal of Geography 107(2):59–68, 2007 Meteorological stations have been in operation since 1993 at Sermilik (65°40'N, 38°10'W), Ammassalik Island, southeast Greenland. This note presents meteorological observations for the year 2005 from the two meteorological stations: Station Nunatak (515 m a.s.l.) and Station Coast (25 m a.s.l.). The year 2005 was dominated by a temporal break down of Station Nunatak and defect …
Meteorological observations 2004 at the Sermilik Station, Ammassalik Island, Southeast Greenland
Geografisk Tidsskrift, Danish Journal of Geography 106(1): 131–140, 2006 Meteorological stations have been in operation since 1993 at Sermilik (65°40'N, 38° 10W), Ammassalik Island, southeast Greenland. This note presents meteorological observations including snow cover and ground temperature for the year 2004, and orographic effect for liquid and solid precipitation from 2002 to 2004, between the two meteorological stations, Station Nunatak (515…
Meteorological trends (1991–2004) at Arctic Station, Central West Greenland (69°15'N) in a 130 years perspective
Geografisk Tidsskrift, Danish Journal of Geography 106(1):45–55, 2006 Meteorological data from Arctic Station (69°15'N, 53°31'W) located on Disko Island (West Greenland) has been analysed for the period 1991–2004 and used to describe the general climate at Disko and to evaluate meteorological trends. Parameters include daily observations of snow cover, sea ice cover and bihourly logged air and ground temperatures, wind regime, pressure, precipita…
Meteorological observations 2003 at the Sermilik Station, Ammassalik Island, Southeast Greenland
Geografisk Tidsskrift, Danish Journal of Geography 105(2):49–56, 2005 Meteorological stations have been in operation since 1993 at Sermilik (65°40'N, 38°10'W), located in southeast Greenland. This note presents meteorological observations for the year 2003, including ground temperature, orographic effect (liquid precipitation) and air temperature lapse rates between two meteorological stations, Station Nunatak (515 m a.s.l.) and Station Coast (25…
Meteorological stations at the Sermilik Station, Southeast Greenland
Meteorological stations have been operating at Sermilik (65°40'N, 38°10'W), southeast Greenland, since June 1993. The physical environment and meteorological stations are described and meteorological parameters presented and discussed, using 2002 as an example. Keywords: ArcticclimatemeteorologySermilikGreenland
Meteorological Observations 2002 at the Arctic Station, Qeqertarsuaq (69°15'N), Central West Greenland
Climate, Arctic, temperature trends, snow cover, greenland, Disko Island
Meteorological Observations in 2001 at the Arctic Station, Qeqertarsuaq (69°15′N), Central West Greenland/Measuring calving in Icefall Lake, SE Greenland, using a "Diver" pressure transducer with a bu…
An automatic meteorological station has been operating at the Arctic Station (69° 15′N, 53° 31′W) in West Greenland since 1990. This paper summarises meteorological parameters during 2001, including snow cover, ground temperatures and active layer development. Abstract In South East Greenland, the north-western part of the Mittivakkat Glacier calves into a lake, called Icefall Lake, situated at its terminus. To examen the calving frequency of the…
Meteorological Observations in 2000 at the Arctic Station, Qeqertarsuaq (69°15'N), Central West Greenland
An automatic meteorological station has been operating at the Arctic Station (69°15'N, 53°31'W) in West Greenland since 1990. This paper summarizes meteorological parameters during 2000 including snow and sea ice cover, ground temperatures and active layer development, and presents comments on the local permafrost thickness
Meteorological Observations in 1999 at the Arctic Station, Qeqertarsuaq (Godhavn), Central West Greenland/Evidence of a warmer climate around AD 600, Mittivakkat Glacier, South East Greenland
In october 1990 an automatic weather station was established at the Arctic Station (65° 15', 53°31'W), Qeqertarsuaq (Godhavn), Central West Greenland. The Station register parameters each 20 minutes, and the paramters have been described in an earlier paper in this journal by Nielsen et al.(1995). The present paper summarizes meteorological parameters during 1999. During a field campaign in 1999, woody remains from Salix glauca were found on a nu…
Controls on the greenhouse gas exchange of a high-arctic ecosystem
Geografisk Tidsskrift, Danish Journal of Geography 99: 19–26, 1999 The polar regions have during the last decade received increasing attention, due to the potential importance that these areas have on the global greenhouse gas budget. During the period from spring to early autumn of 1997 the exchange of two of the most important greenhouse gases namely carbon dioxide and methane were measured in a high-arctic valley in northeastern Greenland. The…
Meteorological observations 1998 at the arctic station, Qeqertarsuaq (69°15'N), Central West Greenland/Active layer monitoring in two Greenlandic permafrost areas
An automatic meteorological station has been operating at the Arctic Station (69°15'N, 53°31'W) in West Greenland since 1990. This paper summarises meteorological parameters during 1998, including snow cover, ground temperatures and active layer development, and presents comments on the local permafrost thickness. Abstract Active layer monitoring in Greenland was started in 1996 and 1997, and forms part of the Circumpolar Active Layer Monitoring …
Meteorological Observations 1997 at the Arctic Station, Qeqertarsuaq (69°15'N), Central West Greenland/A New Climate and Water-Balance Station on the Peninsula Skallingen, South West Jutland/A Quantit…
An automatic meteorological station has been operating at the Arctic Station (69°15'N, 53°31'W) in West Greenland since 1990. This paper summarizes meteorological parameters during 1997, including snow and sea ice cover, ground temperatures and active layer development, and presents comments on the local permafrost thickness. In March 1997 an automatic climate and water balance station was established on the peninsula Skallingen, 55°30'N, 8°15'E.…
A Compilation of Radiocarbon Dates from Disko Bugt, Central West Greenland/Meteorological Observations in 1996 at the Arctic Station, Qeqertarsuaq (Godhavn), Central West Greenland/A Discussion on Pin…
188 new and previously published radiocarbon dates on Holocene material from Disko Bugt, central West Greenland, are presented together with relevant informations (laboratory number, place name, dated material, geografic coordinates, altitude and δ13C-value) about the dates. In October 1990 an automatic weather station was established at the Arctic station (65 °15′N,53 °31′W), Qeqertarsuaq (Godhavn), Central West Greenland. The Station register p…
Meteorological Observations in 1995 at the Arctic Station, Qeqertarsuaq (Godhavn), Central West Greenland/Concentrational Agriculture
In October 1990 an automatic meteorological station was established at the Arctic Station (69°15'N, 53°31'W), Qeqertarsuaq (Godhavn), Central West Greenland, The station register parameters each 20 min, and the parameters have been described in an earlier paper in this journal by Nielsen et al. (1995). The present paper summarises main points of the climate during 1995. Concentrational agriculture, defined as types of agriculture based on local c…
Varves in a Proglacial Lake, Sermilik, South East Greenland/Meterological Observations at Arctic Station, Qeqertarsuaq (Godhavn), Central West Greenland/Den Danske Nationalkomité for Geografi 1994–95
Danish Journal of Geography 95: 92–96, 1995. Three cores collected from a proglacial lake with an Axelsson corer are x-rayed. The stratification is interpreted as varves. The cores cover periods of sedimentation with a duration from 5—23 years. The average thickness of the varves vary from 1.9—20.0 mm indicating a tenfold variation in the sedimentation rate. Geografisk Tidsskrift 96: 97–104, 1995. In October 1990 a new automatic meteorological st…
Paleo-Eskimo kitchen midden preservation in permafrost under future climate conditions at Qajaa, West Greenland
Climatic conditions at the Mittivakkat Glacier catchment (1994–2006), Ammassalik Island, SE Greenland, and in a 109-year perspective (1898–2006)
Geografisk Tidsskrift, Danish Journal of Geography 108(1):51–72, 2008 The present-day climate in the Mittivakkat Glacier catchment (65°N), Southeast Greenland, is investigated spatiotemporally based on time series (13 years, 1994–2006) and standard synoptic climate data from the meteorological station in Tasiilaq (Ammasslik), covering 109 years (1898–2006). Within the catchment, meteorological conditions are monitored at the coast (Station Coast,…
Meteorological observations 2003 at the Sermilik Station, Ammassalik Island, Southeast Greenland
Geografisk Tidsskrift, Danish Journal of Geography 105(2):49–56, 2005 Meteorological stations have been in operation since 1993 at Sermilik (65°40'N, 38°10'W), located in southeast Greenland. This note presents meteorological observations for the year 2003, including ground temperature, orographic effect (liquid precipitation) and air temperature lapse rates between two meteorological stations, Station Nunatak (515 m a.s.l.) and Station Coast (25…
Meteorological stations at the Sermilik Station, Southeast Greenland
Meteorological stations have been operating at Sermilik (65°40'N, 38°10'W), southeast Greenland, since June 1993. The physical environment and meteorological stations are described and meteorological parameters presented and discussed, using 2002 as an example. Keywords: ArcticclimatemeteorologySermilikGreenland
Meteorological observations 2004 at the Sermilik Station, Ammassalik Island, Southeast Greenland
Geografisk Tidsskrift, Danish Journal of Geography 106(1): 131–140, 2006 Meteorological stations have been in operation since 1993 at Sermilik (65°40'N, 38° 10W), Ammassalik Island, southeast Greenland. This note presents meteorological observations including snow cover and ground temperature for the year 2004, and orographic effect for liquid and solid precipitation from 2002 to 2004, between the two meteorological stations, Station Nunatak (515…
Meteorological trends (1991–2004) at Arctic Station, Central West Greenland (69°15'N) in a 130 years perspective
Geografisk Tidsskrift, Danish Journal of Geography 106(1):45–55, 2006 Meteorological data from Arctic Station (69°15'N, 53°31'W) located on Disko Island (West Greenland) has been analysed for the period 1991–2004 and used to describe the general climate at Disko and to evaluate meteorological trends. Parameters include daily observations of snow cover, sea ice cover and bihourly logged air and ground temperatures, wind regime, pressure, precipita…
Meteorological Observations in 2000 at the Arctic Station, Qeqertarsuaq (69°15'N), Central West Greenland
An automatic meteorological station has been operating at the Arctic Station (69°15'N, 53°31'W) in West Greenland since 1990. This paper summarizes meteorological parameters during 2000 including snow and sea ice cover, ground temperatures and active layer development, and presents comments on the local permafrost thickness
Meteorological Observations in 1999 at the Arctic Station, Qeqertarsuaq (Godhavn), Central West Greenland/Evidence of a warmer climate around AD 600, Mittivakkat Glacier, South East Greenland
In october 1990 an automatic weather station was established at the Arctic Station (65° 15', 53°31'W), Qeqertarsuaq (Godhavn), Central West Greenland. The Station register parameters each 20 minutes, and the paramters have been described in an earlier paper in this journal by Nielsen et al.(1995). The present paper summarizes meteorological parameters during 1999. During a field campaign in 1999, woody remains from Salix glauca were found on a nu…
Meteorological observations 1998 at the arctic station, Qeqertarsuaq (69°15'N), Central West Greenland/Active layer monitoring in two Greenlandic permafrost areas
An automatic meteorological station has been operating at the Arctic Station (69°15'N, 53°31'W) in West Greenland since 1990. This paper summarises meteorological parameters during 1998, including snow cover, ground temperatures and active layer development, and presents comments on the local permafrost thickness. Abstract Active layer monitoring in Greenland was started in 1996 and 1997, and forms part of the Circumpolar Active Layer Monitoring …
Meteorological Observations 1997 at the Arctic Station, Qeqertarsuaq (69°15'N), Central West Greenland/A New Climate and Water-Balance Station on the Peninsula Skallingen, South West Jutland/A Quantit…
An automatic meteorological station has been operating at the Arctic Station (69°15'N, 53°31'W) in West Greenland since 1990. This paper summarizes meteorological parameters during 1997, including snow and sea ice cover, ground temperatures and active layer development, and presents comments on the local permafrost thickness. In March 1997 an automatic climate and water balance station was established on the peninsula Skallingen, 55°30'N, 8°15'E.…
A Compilation of Radiocarbon Dates from Disko Bugt, Central West Greenland/Meteorological Observations in 1996 at the Arctic Station, Qeqertarsuaq (Godhavn), Central West Greenland/A Discussion on Pin…
188 new and previously published radiocarbon dates on Holocene material from Disko Bugt, central West Greenland, are presented together with relevant informations (laboratory number, place name, dated material, geografic coordinates, altitude and δ13C-value) about the dates. In October 1990 an automatic weather station was established at the Arctic station (65 °15′N,53 °31′W), Qeqertarsuaq (Godhavn), Central West Greenland. The Station register p…
Meteorological Observations in 1995 at the Arctic Station, Qeqertarsuaq (Godhavn), Central West Greenland/Concentrational Agriculture
In October 1990 an automatic meteorological station was established at the Arctic Station (69°15'N, 53°31'W), Qeqertarsuaq (Godhavn), Central West Greenland, The station register parameters each 20 min, and the parameters have been described in an earlier paper in this journal by Nielsen et al. (1995). The present paper summarises main points of the climate during 1995. Concentrational agriculture, defined as types of agriculture based on local c…
Satellite Monitoring of the Biomass Production in Southern Greenland
Birger Ulf Hansen: Satellite Monitoring of the Biomass Production in Southern Greenland. Geografisk Tidsskrift 88:94–99. Copenhagen, 1988. Based on satellite data from Southern Greenland the application of Normalized Difference Vegetation Index (NDVI) for monitoring biomass production has been evaluated. Field measurements of spectral reflectance data are quantitatively correlated with clipped samples of total above-ground biomass production. The…
Transitions in high-Arctic vegetation growth patterns and ecosystem productivity tracked with automated cameras from 2000 to 2013
Climate-induced changes in vegetation phenology at northern latitudes are still poorly understood. Continued monitoring and research are therefore needed to improve the understanding of abiotic drivers. Here we used 14 years of time lapse imagery and climate data from high-Arctic Northeast Greenland to assess the seasonal response of a dwarf shrub heath, grassland, and fen, to inter-annual variation in snow-cover, soil moisture, and air and soil …
Vegetation phenology gradients along the west and east coasts of Greenland from 2001 to 2015
The objective of this paper is to characterize the spatiotemporal variations of vegetation phenology along latitudinal and altitudinal gradients in Greenland, and to examine local and regional climatic drivers. Time-series from the Moderate Resolution Imaging Spectroradiometer (MODIS) were analyzed to obtain various phenological metrics for the period 2001-2015. MODIS-derived land surface temperatures were corrected for the sampling biases caused…
Toward a statistical description of methane emissions from arctic wetlands
Methane (CH 4 ) emissions from arctic tundra typically follow relations with soil temperature and water table depth, but these process-based descriptions can be difficult to apply to areas where no measurements exist. We formulated a description of the broader temporal flux pattern in the growing season based on two distinct CH 4 source components from slow and fast-turnover carbon. We used automatic closed chamber flux measurements from NE Green…
Meteorological observations 2005 and in a longer perspective at the Sermilik Station, Ammassalik Island, Southeast Greenland
Geografisk Tidsskrift, Danish Journal of Geography 107(2):59–68, 2007 Meteorological stations have been in operation since 1993 at Sermilik (65°40'N, 38°10'W), Ammassalik Island, southeast Greenland. This note presents meteorological observations for the year 2005 from the two meteorological stations: Station Nunatak (515 m a.s.l.) and Station Coast (25 m a.s.l.). The year 2005 was dominated by a temporal break down of Station Nunatak and defect …
Meteorological Observations 2002 at the Arctic Station, Qeqertarsuaq (69°15'N), Central West Greenland
Climate, Arctic, temperature trends, snow cover, greenland, Disko Island
Varves in a Proglacial Lake, Sermilik, South East Greenland/Meterological Observations at Arctic Station, Qeqertarsuaq (Godhavn), Central West Greenland/Den Danske Nationalkomité for Geografi 1994–95
Danish Journal of Geography 95: 92–96, 1995. Three cores collected from a proglacial lake with an Axelsson corer are x-rayed. The stratification is interpreted as varves. The cores cover periods of sedimentation with a duration from 5—23 years. The average thickness of the varves vary from 1.9—20.0 mm indicating a tenfold variation in the sedimentation rate. Geografisk Tidsskrift 96: 97–104, 1995. In October 1990 a new automatic meteorological st…
Using climate and vegetation studies in southern Greenland to estimate the natural resources during the Norse period
Agriculture in southern Greenland started when Eric the Red came from Iceland around 982 A.D., and the Norse era stopped approximately 500 years later. Modern sheep‐farming started in 1924, and recent climatic studies and stellite‐based monitoring have shown great variation in the biomass production from one year to another due to minor climate fluctuations. In areas populated to capacity with farms it can easily result in overgrazing which, in t…
Anmeldelser
Satellite Monitoring of the Biomass Production in Southern Greenland
Birger Ulf Hansen: Satellite Monitoring of the Biomass Production in Southern Greenland. Geografisk Tidsskrift 88:94–99. Copenhagen, 1988. Based on satellite data from Southern Greenland the application of Normalized Difference Vegetation Index (NDVI) for monitoring biomass production has been evaluated. Field measurements of spectral reflectance data are quantitatively correlated with clipped samples of total above-ground biomass production. The…
Anmeldelser
Monitoring Natural Vegetation in Southern Greenland Using Noaa AVHRR and Field Measurements
The application of the Normalized Difference Vegetation Index (NDVI) for monitoring natural vegetation and biomass production has been evaluated for a sheep farming area in southern Greenland. Field measurements of spectral reflectance data during the growing season have been used to make a calibration between NOAA AVHRR NDVIs and aboveground vegetation quantities. The potential biomass production is estimated as the product of mean NDVI and the …
Using climate and vegetation studies in southern Greenland to estimate the natural resources during the Norse period
Agriculture in southern Greenland started when Eric the Red came from Iceland around 982 A.D., and the Norse era stopped approximately 500 years later. Modern sheep‐farming started in 1924, and recent climatic studies and stellite‐based monitoring have shown great variation in the biomass production from one year to another due to minor climate fluctuations. In areas populated to capacity with farms it can easily result in overgrazing which, in t…
Anmeldelser
Anmeldelser
Varves in a Proglacial Lake, Sermilik, South East Greenland/Meterological Observations at Arctic Station, Qeqertarsuaq (Godhavn), Central West Greenland/Den Danske Nationalkomité for Geografi 1994–95
Danish Journal of Geography 95: 92–96, 1995. Three cores collected from a proglacial lake with an Axelsson corer are x-rayed. The stratification is interpreted as varves. The cores cover periods of sedimentation with a duration from 5—23 years. The average thickness of the varves vary from 1.9—20.0 mm indicating a tenfold variation in the sedimentation rate. Geografisk Tidsskrift 96: 97–104, 1995. In October 1990 a new automatic meteorological st…
Meteorological Observations in 1995 at the Arctic Station, Qeqertarsuaq (Godhavn), Central West Greenland/Concentrational Agriculture
In October 1990 an automatic meteorological station was established at the Arctic Station (69°15'N, 53°31'W), Qeqertarsuaq (Godhavn), Central West Greenland, The station register parameters each 20 min, and the parameters have been described in an earlier paper in this journal by Nielsen et al. (1995). The present paper summarises main points of the climate during 1995. Concentrational agriculture, defined as types of agriculture based on local c…
A Compilation of Radiocarbon Dates from Disko Bugt, Central West Greenland/Meteorological Observations in 1996 at the Arctic Station, Qeqertarsuaq (Godhavn), Central West Greenland/A Discussion on Pin…
188 new and previously published radiocarbon dates on Holocene material from Disko Bugt, central West Greenland, are presented together with relevant informations (laboratory number, place name, dated material, geografic coordinates, altitude and δ13C-value) about the dates. In October 1990 an automatic weather station was established at the Arctic station (65 °15′N,53 °31′W), Qeqertarsuaq (Godhavn), Central West Greenland. The Station register p…
Meteorological Observations 1997 at the Arctic Station, Qeqertarsuaq (69°15'N), Central West Greenland/A New Climate and Water-Balance Station on the Peninsula Skallingen, South West Jutland/A Quantit…
An automatic meteorological station has been operating at the Arctic Station (69°15'N, 53°31'W) in West Greenland since 1990. This paper summarizes meteorological parameters during 1997, including snow and sea ice cover, ground temperatures and active layer development, and presents comments on the local permafrost thickness. In March 1997 an automatic climate and water balance station was established on the peninsula Skallingen, 55°30'N, 8°15'E.…
Controls on the greenhouse gas exchange of a high-arctic ecosystem
Geografisk Tidsskrift, Danish Journal of Geography 99: 19–26, 1999 The polar regions have during the last decade received increasing attention, due to the potential importance that these areas have on the global greenhouse gas budget. During the period from spring to early autumn of 1997 the exchange of two of the most important greenhouse gases namely carbon dioxide and methane were measured in a high-arctic valley in northeastern Greenland. The…
Meteorological observations 1998 at the arctic station, Qeqertarsuaq (69°15'N), Central West Greenland/Active layer monitoring in two Greenlandic permafrost areas
An automatic meteorological station has been operating at the Arctic Station (69°15'N, 53°31'W) in West Greenland since 1990. This paper summarises meteorological parameters during 1998, including snow cover, ground temperatures and active layer development, and presents comments on the local permafrost thickness. Abstract Active layer monitoring in Greenland was started in 1996 and 1997, and forms part of the Circumpolar Active Layer Monitoring …
Meteorological Observations in 1999 at the Arctic Station, Qeqertarsuaq (Godhavn), Central West Greenland/Evidence of a warmer climate around AD 600, Mittivakkat Glacier, South East Greenland
In october 1990 an automatic weather station was established at the Arctic Station (65° 15', 53°31'W), Qeqertarsuaq (Godhavn), Central West Greenland. The Station register parameters each 20 minutes, and the paramters have been described in an earlier paper in this journal by Nielsen et al.(1995). The present paper summarizes meteorological parameters during 1999. During a field campaign in 1999, woody remains from Salix glauca were found on a nu…
Meteorological Observations in 2000 at the Arctic Station, Qeqertarsuaq (69°15'N), Central West Greenland
An automatic meteorological station has been operating at the Arctic Station (69°15'N, 53°31'W) in West Greenland since 1990. This paper summarizes meteorological parameters during 2000 including snow and sea ice cover, ground temperatures and active layer development, and presents comments on the local permafrost thickness
Meteorological Observations in 2001 at the Arctic Station, Qeqertarsuaq (69°15′N), Central West Greenland/Measuring calving in Icefall Lake, SE Greenland, using a "Diver" pressure transducer with a bu…
An automatic meteorological station has been operating at the Arctic Station (69° 15′N, 53° 31′W) in West Greenland since 1990. This paper summarises meteorological parameters during 2001, including snow cover, ground temperatures and active layer development. Abstract In South East Greenland, the north-western part of the Mittivakkat Glacier calves into a lake, called Icefall Lake, situated at its terminus. To examen the calving frequency of the…
Meteorological Observations 2002 at the Arctic Station, Qeqertarsuaq (69°15'N), Central West Greenland
Climate, Arctic, temperature trends, snow cover, greenland, Disko Island
Meteorological stations at the Sermilik Station, Southeast Greenland
Meteorological stations have been operating at Sermilik (65°40'N, 38°10'W), southeast Greenland, since June 1993. The physical environment and meteorological stations are described and meteorological parameters presented and discussed, using 2002 as an example. Keywords: ArcticclimatemeteorologySermilikGreenland
Meteorological observations 2003 at the Sermilik Station, Ammassalik Island, Southeast Greenland
Geografisk Tidsskrift, Danish Journal of Geography 105(2):49–56, 2005 Meteorological stations have been in operation since 1993 at Sermilik (65°40'N, 38°10'W), located in southeast Greenland. This note presents meteorological observations for the year 2003, including ground temperature, orographic effect (liquid precipitation) and air temperature lapse rates between two meteorological stations, Station Nunatak (515 m a.s.l.) and Station Coast (25…
Meteorological observations 2004 at the Sermilik Station, Ammassalik Island, Southeast Greenland
Geografisk Tidsskrift, Danish Journal of Geography 106(1): 131–140, 2006 Meteorological stations have been in operation since 1993 at Sermilik (65°40'N, 38° 10W), Ammassalik Island, southeast Greenland. This note presents meteorological observations including snow cover and ground temperature for the year 2004, and orographic effect for liquid and solid precipitation from 2002 to 2004, between the two meteorological stations, Station Nunatak (515…
Meteorological trends (1991–2004) at Arctic Station, Central West Greenland (69°15'N) in a 130 years perspective
Geografisk Tidsskrift, Danish Journal of Geography 106(1):45–55, 2006 Meteorological data from Arctic Station (69°15'N, 53°31'W) located on Disko Island (West Greenland) has been analysed for the period 1991–2004 and used to describe the general climate at Disko and to evaluate meteorological trends. Parameters include daily observations of snow cover, sea ice cover and bihourly logged air and ground temperatures, wind regime, pressure, precipita…
Meteorological observations 2005 and in a longer perspective at the Sermilik Station, Ammassalik Island, Southeast Greenland
Geografisk Tidsskrift, Danish Journal of Geography 107(2):59–68, 2007 Meteorological stations have been in operation since 1993 at Sermilik (65°40'N, 38°10'W), Ammassalik Island, southeast Greenland. This note presents meteorological observations for the year 2005 from the two meteorological stations: Station Nunatak (515 m a.s.l.) and Station Coast (25 m a.s.l.). The year 2005 was dominated by a temporal break down of Station Nunatak and defect …
L'évolution à long terme des standards vue d'Europe
Climatic conditions at the Mittivakkat Glacier catchment (1994–2006), Ammassalik Island, SE Greenland, and in a 109-year perspective (1898–2006)
Geografisk Tidsskrift, Danish Journal of Geography 108(1):51–72, 2008 The present-day climate in the Mittivakkat Glacier catchment (65°N), Southeast Greenland, is investigated spatiotemporally based on time series (13 years, 1994–2006) and standard synoptic climate data from the meteorological station in Tasiilaq (Ammasslik), covering 109 years (1898–2006). Within the catchment, meteorological conditions are monitored at the coast (Station Coast,…
Meteorological observations 2006 and ground temperature variations over 12-year at the Sermilik Station, Ammassalik Island, Southeast Greenland
Geografisk Tidsskrift, Danish Journal of Geography 108(1):153–161, 2008 Meteorological stations have been in operation since 1993 at the Sermilik Research Station (65°40′N, 38°10′W), Ammassalik Island, Southeast Greenland. This note presents meteorological observations for the calendar year 2006 from the two meteorological stations: Station Nunatak (515 m a.s.l.) and Station Coast (25 m a.s.l.). The year 2006 record is not complete due to a tempo…
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