Climate Data Analysis of Existing Weather Stations in Around the Central Alaska Network (Cakn) Update Through 2010 PDF Download
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Author: National Park Service
Publisher: CreateSpace
ISBN: 9781492227540
Category : Nature
Languages : en
Pages : 106
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Book Description
Climate data from approximately 99 climate stations, 61 snow monitoring stations, and 36 Remote Automated Weather Stations (RAWS) within and near the three units of the Central Alaska Network, (Wrangell-St. Elias National Park and Preserve, Denali National Park and Preserve, and Yukon-Charley Rivers National Preserve), have been documented, tabulated, summarized, and analyzed to provide a record of past climate changes and fluctuations over the period of record (beginning in 1899), to provide baseline normals and averages to help assess future climate variations, and to gain some insight into the possible causes of the climate variations.
Author: National Park Service
Publisher: CreateSpace
ISBN: 9781492227540
Category : Nature
Languages : en
Pages : 106
Get Book Here
Book Description
Climate data from approximately 99 climate stations, 61 snow monitoring stations, and 36 Remote Automated Weather Stations (RAWS) within and near the three units of the Central Alaska Network, (Wrangell-St. Elias National Park and Preserve, Denali National Park and Preserve, and Yukon-Charley Rivers National Preserve), have been documented, tabulated, summarized, and analyzed to provide a record of past climate changes and fluctuations over the period of record (beginning in 1899), to provide baseline normals and averages to help assess future climate variations, and to gain some insight into the possible causes of the climate variations.
Author: Pamela J. Sousanes
Publisher: Createspace Independent Pub
ISBN: 9781492161639
Category : Nature
Languages : en
Pages : 68
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Book Description
The analyses for this annual report are based on the long-term National Weather Service cooperative sites in and around the CAKN parks that have been in operation for 62 to 85 years. The new sites are analyzed for comparison, but long-term trends will take time to develop. This is the sixth in a series of reports for the Central Alaska Network Climate Monitoring Program.
Author: Kelly T. Redmond
Publisher: CreateSpace
ISBN: 9781492314103
Category : Nature
Languages : en
Pages : 126
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Book Description
Climate is a dominant factor driving the physical and ecologic processes affecting the Central Alaska Inventory and Monitoring Network (CAKN). This report provides the following information: • Overview of broad-scale climatic factors and zones important to CAKN park units. • Inventory of weather and climate station locations in and near CAKN park units relevant to the NPS I&M Program. • Results of an inventory of metadata on each weather station, including affiliations for weather-monitoring networks, types of measurements recorded at these stations, and information about the actual measurements (length of record, etc.). • Initial evaluation of the adequacy of coverage for existing weather stations and recommendations for improvements in monitoring weather and climate.
Author:
Publisher:
ISBN:
Category : Alaska
Languages : en
Pages : 542
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Book Description
Author: National Park Service
Publisher: CreateSpace
ISBN: 9781491085226
Category : Nature
Languages : en
Pages : 64
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Book Description
Denali National Park and Preserve, Wrangell–St. Elias National Park and Preserve, and Yukon- Charley Rivers National Preserve make up the Central Alaska Inventory and Monitoring Network (CAKN), covering over 21 million acres. There are three major Alaska climate regimes within CAKN; a maritime climate, a transitional-maritime climate, and a continental interior climate. The defining features of the CAKN climate are large-scale general circulation patterns, storm tracks, and prevailing winds. The main geographic features affecting the patterns of climate are terrain and proximity to the coast. The Chugach, Wrangell, St. Elias, and Alaska Mountain Ranges are terrain barriers which block the major flow pattern off of the Gulf of Alaska. The amount of precipitation decreases and the seasonal temperatures become much more variable as you move away from the coast along the southern portions of Wrangell-St. Elias into the interior of Alaska. Another major climatic factor of these mountain ranges is cold air drainage and pooling in valleys and depressions that often causes persistent winter inversions in interior Alaska.
Author:
Publisher:
ISBN:
Category : Alaska
Languages : en
Pages : 186
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Book Description
Author: Martha Shulski
Publisher: University of Alaska Press
ISBN: 1602230072
Category : Nature
Languages : en
Pages : 226
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Book Description
Examines the climate of Alaska and its diversity through narrative and maps, tables, and charts. Focuses on climatological features such as temperature, humidity, precipitation, and atmospheric pressure.--(Source of description unspecified.)
Author: United States. Weather Bureau
Publisher:
ISBN:
Category :
Languages : en
Pages : 16
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Book Description
Author: Peter A. Bieniek
Publisher:
ISBN:
Category : Climatic changes
Languages : en
Pages : 280
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Book Description
In Alaska, there exists a substantial knowledge gap of key climate drivers and filling these gaps is vital since life and the economy are inexorably linked with climate in the state. This thesis identifies and investigates three topics that advance the understanding of Alaska climate variability: the role of large-scale climate in Interior river ice breakup, the link between climate and arctic tundra vegetation, and climate divisions based on objective methods. River ice breakup in the Yukon-Kuskoswim watershed is occurring earlier by 1.3 days decade−1 1948-2008 and displays large year-to-year variability. April-May Interior Alaska air temperatures are the best predictor of river ice breakup and were linked to El Niño Southern Oscillation (ENSO). During the warm phase of ENSO, fewer storms track into the Gulf of Alaska during Boreal Spring, resulting in reduced April-May cloudiness over Alaska, increased solar insolation at the land surface, warmer air temperatures and consequently earlier breakup. Northern Alaska tundra vegetation productivity has increased 1982-2011, based on the Normalized Difference Vegetation Index (NDVI), a satellite measure of vegetation correlated with above ground biomass. Vegetation productivity was linked to the Beaufort High circulation as well as snowfall, in addition to land surface temperatures and coastal sea ice extent. NDVI has decreased from 1982-2011 over the coastal tundra along the Bering Sea and was correlated with delayed springtime warming due to enhanced coastal sea ice and a delayed snowmelt. Cluster analysis was applied to 2-meter air temperature data 1977-2010 at meteorological stations to construct climate divisions for Alaska. Stations were grouped together objectively based on similar homogeneous seasonal and annual climate variability and were refined using local expert knowledge to ultimately identify 13 divisions. Correlation analysis using gridded downscaled temperature and precipitation data validated the final division lines and documented that each division has similar a similar annual cycle in temperature and precipitation. Overall, this work documented substantial links and identified mechanisms joining the large-scale climate to that of Alaska. A better understanding of the role of large-scale climate variability in river ice breakup or tundra greening holds promise for developing seasonal and longer-term forecasts.
Author: Christopher A. Davey
Publisher: Createspace Independent Pub
ISBN: 9781492318682
Category : Nature
Languages : en
Pages : 84
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Book Description
Climate is a dominant factor driving the physical and ecologic processes affecting the Southeast Alaska Inventory and Monitoring Network (SEAN). This project was initiated to inventory past and present climate monitoring efforts. In this report, the authors provide the following information: • Overview of broad-scale climatic factors and zones important to SEAN park units. • Inventory of weather and climate station locations in and near SEAN park units relevant to the NPS I&M Program. • Results of an inventory of metadata on each weather station, including affiliations for weather-monitoring networks, types of measurements recorded at these stations, and information about the actual measurements (length of record, etc.). • Initial evaluation of the adequacy of coverage for existing weather stations and recommendations for improvements in monitoring weather and climate.
