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Alaska Range
Alaska Range Introduction The heavily glacierized Alaska Range consists of a number of adjacent and discrete mountain ranges that extend in an arc more than 750 km long (figs. 1, 381). From east to west, named ranges include the Nutzotin, Mentas- ta, Amphitheater, Clearwater, Tokosha, Kichatna, Teocalli, Tordrillo, Terra Cotta, and Revelation Mountains. This arcuate mountain massif spans the area from the White River, just east of the Canadian Border, to Merrill Pass on the western side of Cook Inlet southwest of Anchorage. Many of the indi- Figure 381.—Index map of vidual ranges support glaciers. The total glacier area of the Alaska Range is the Alaska Range showing 2 approximately 13,900 km (Post and Meier, 1980, p. 45). Its several thousand the glacierized areas. Index glaciers range in size from tiny unnamed cirque glaciers with areas of less map modified from Field than 1 km2 to very large valley glaciers with lengths up to 76 km (Denton (1975a). Figure 382.—Enlargement of NOAA Advanced Very High Resolution Radiometer (AVHRR) image mosaic of the Alaska Range in summer 1995. National Oceanic and Atmospheric Administration image mosaic from Mike Fleming, Alaska Science Center, U.S. Geological Survey, Anchorage, Alaska. The numbers 1–5 indicate the seg- ments of the Alaska Range discussed in the text. K406 SATELLITE IMAGE ATLAS OF GLACIERS OF THE WORLD and Field, 1975a, p. 575) and areas of greater than 500 km2. Alaska Range glaciers extend in elevation from above 6,000 m, near the summit of Mount McKinley, to slightly more than 100 m above sea level at Capps and Triumvi- rate Glaciers in the southwestern part of the range. -
Denali National Park and Preserve
National Park Service U.S. Department of the Interior Natural Resource Program Center Water Resources Stewardship Report Denali National Park and Preserve Natural Resource Technical Report NPS/NRPC/WRD/NRTR—2007/051 ON THE COVER Photograph: Toklat River, Denali National Park and Preserve (Guy Adema, 2007) Water Resources Stewardship Report Denali National Park and Preserve Natural Resource Technical Report NPS/NRPC/WRD/NRTR-2007/051 Kenneth F. Karle, P.E. Hydraulic Mapping and Modeling P.O. Box 181 Denali Park, Alaska 99755 September 2007 U.S. Department of the Interior National Park Service Natural Resources Program Center Fort Collins, Colorado The Natural Resource Publication series addresses natural resource topics that are of interest and applicability to a broad readership in the National Park Service and to others in the management of natural resources, including the scientific community, the public, and the NPS conservation and environmental constituencies. Manuscripts are peer- reviewed to ensure that the information is scientifically credible, technically accurate, appropriately written for the intended audience, and is designed and published in a professional manner. The Natural Resources Technical Reports series is used to disseminate the peer-reviewed results of scientific studies in the physical, biological, and social sciences for both the advancement of science and the achievement of the National Park Service’s mission. The reports provide contributors with a forum for displaying comprehensive data that are often deleted from journals because of page limitations. Current examples of such reports include the results of research that addresses natural resource management issues; natural resource inventory and monitoring activities; resource assessment reports; scientific literature reviews; and peer reviewed proceedings of technical workshops, conferences, or symposia. -
Highlights for Fiscal Year 2013: Denali National Park
Highlights for FY 2013 Denali National Park and Preserve (* indicates action items for A Call to Action or the park’s strategic plan) This year was one of changes and challenges, including from the weather. The changes started at the top, with the arrival of new Superintendent Don Striker in January 2013. He drove across the country to Alaska from New River Gorge National River in West Virginia, where he had been the superintendent for five years. He also served as superintendent of Mount Rushmore National Memorial (South Dakota) and Fort Clatsop National Memorial (Oregon) and as special assistant to the Comptroller of the National Park Service. Some of the challenges that will be on his plate – implementing the Vehicle Management Plan, re-bidding the main concession contract, and continuing to work on a variety of wildlife issues with the State of Alaska. Don meets Skeeter, one of the park’s sled dogs The park and its partners celebrated a significant milestone, the centennial of the first summit of Mt. McKinley, with several activities and events. On June 7, 1913, four men stood on the top of Mt. McKinley, or Denali as it was called by the native Koyukon Athabaskans, for the first time. By achieving the summit of the highest peak in North America, Walter Harper, Harry Karstens, Hudson Stuck, and Robert Tatum made history. Karstens would continue to have an association with the mountain and the land around it by becoming the first Superintendent of the fledgling Mt. McKinley National Park in 1921. *A speaker series featuring presentations by five Alaskan mountaineers and historians on significant Denali mountaineering expeditions, premiered on June 7thwith an illustrated talk on the 1913 Ascent of Mt. -
Alaska Park Science Anchorage, Alaska
National Park Service U.S. Department of Interior Alaska Regional Office Alaska Park Science Anchorage, Alaska PROCEEDINGS OF THE CentrCentralal AlaskAlaskaa PParkark SciencSciencee SymposiumSymposium SeptemberSeptember 12-14,12-14, 2006 2006 Denali Park, Alaska Volume 6, Issue 2 Parks featured in this Table of Contents issue of Alaska Park Science Keynote Address Alaska Parks in a Warming Climate: Conserving a Changing Future __________________________ 6 S K A Yukon-Charley Rivers Synthesis L A National Preserve Crossing Boundaries in Changing Environment: Norton Sound A A Synthesis __________________________________________12 Monitoring a Changing Climate Denali National Park and Preserve Long-term Air Quality Monitoring Wrangell-St. Elias in Denali National Park and Preserve __________________18 National Park and Preserve Monitoring Seasonal and Long-term Climate Changes and Extremes in the Central Alaska Network__________ 22 Physical Environment and Sciences Glacier Monitoring in Denali National Park and Preserve ________________________________________26 Applications of the Soil-Ecological Survey of Denali National Park and Preserve__________________31 Bristol Bay Gulf of Alaska Using Radiocarbon to Detect Change in Ecosystem Carbon Cycling in Response to Permafrost Thawing____34 A Baseline Study of Permafrost in the Toklat Basin, Denali National Park and Preserve ____________________37 Dinosauria and Fossil Aves Footprints from the Lower Cantwell Formation (latest Cretaceous), Denali National Park and Preserve ____________________41 -
Glacier Trends and Response to Climate in Denali National Park and Preserve
36 PARK SCIENCE • VOLUME 28 • NUMBER 2 • SUMMER 2011 Glacier trends and response to climate in Denali NPS/GUY ADEMA National Park and Preserve By Rob Burrows, Samuel Herreid, Guy Adema, Anthony Arendt, and Chris Larsen Figure 1. Researcher Adam Bucki records data from test pits and an ablation stake at the index measurement site on Kahiltna Glacier. LACIERS ARE A SIGNIFICANT ter park visitors’ experience. These trends Each of the world’s glaciers is a unique resource of mountain ranges in have a direct infl uence on a wide range of entity and has a diff erent set of physical GAlaska and a dominant feature on hydrologic, ecologic, and geologic systems. characteristics that dictate how it responds Mount McKinley. The glaciers of De- For example, glaciers provide a steady base to changes in mass balance and hence nali National Park and Preserve, Alaska, fl ow of freshwater discharge upon which climate. Corresponding to the wide variety are vast, covering 3,779 km2 (1,459 mi2), many ecosystems thrive, and when glacier of mountain shapes and sizes in the Alaska approximately one-sixth of the park’s meltwater and sediment discharge change Range is a large array of shapes, sizes, and area. Each year, these glaciers gain mass because of a change in mass balance, behaviors among glaciers (Molnia 2008). whenever snowfall accumulates at the these ecosystems are altered. Glaciers also Important characteristics that determine surface, and they lose mass primarily advance and retreat in response to changes glacier behavior include size, elevation through surface melting (ablation) during in mass balance, which can create new or range, aspect, slope, number and arrange- the summer. -
Denali National Park and Preserve
National Park Service U.S. Department of the Interior Denali National Park and Preserve Denali National Park and Preserve Center for Resources, Science, and Learning Photo Courtesy of Miki and Julie Collins Summary of Current Resource Projects 2009 All photos courtesy of National Park Service, unless otherwise indicated. Table of Contents Natural Resources ................................................................................................................... 3 Integrated Programs and Findings .................................................................................... 3 Denali Park Road Capacity Study ...................................................................................... 3 Resource Stewardship Strategy .......................................................................................... 7 Central Alaska Network ..................................................................................................... 8 Plants/Vegetation ................................................................................................................. 10 Long-term Vegetation Monitoring ................................................................................... 10 A Ton of Exotic (Non-native) Plants Removed ............................................................... 11 Revegetation of Construction/Disturbed Sites ................................................................. 11 Off-Road Vehicle (ORV) Impacts .................................................................................. -
Denali National Park & Preserve
Denali National Park & Preserve Annual Mountaineering Summary-2006 More Sorrow in the Alaska Range Our season was significantly impacted this year by the National Park Service. Gordy, his wife Julianne, and his death of two friends, Karen McNeil and Sue Nott, who son Rowan are moving to Washington, D.C. for a new job were lost on Mount Foraker. Karen and Sue had both as a Concessions Specialist at the National Mall in Wash- befriended many of the Talkeetna staff and were well ington, DC. Gordy’s will be thoroughly missed as he known in the climbing world as accomplished alpinists. wore many hats at the Talkeetna Ranger Station -- com- Both of their families flew to Alaska during the search puter specialist, concessions expert, and maintenance guy effort, as did many of their friends. It was a trying time -- in addition to being a superb mountaineering ranger. for all. We will probably never know what happened or And Gordy always kept us on our toes! where they are located on Mount Foraker. We also lost Temperatures in the Alaska Range seemed closer to the Mr. Kim, a South Korean climber who sadly died of a norm in 2006, as the firn-line did not reach the 7,200-foot sudden medical illness while descending the fixed lines Kahiltna Basecamp. During the prior season, warm tem- on Denali. The Kim family also came to Talkeetna to peratures resulted in considerable snow melt at these thank the guides, mountaineering rangers, volunteers, and lower elevations. the Talkeetna staff for all their help. The U.S. -
Denali National Park and Preserve Superintendent's
DENALI NATIONAL PARK AND PRESERVE SUPERINTENDENT’S ANNUAL REPORT FOR FISCAL YEAR 2003 The mission statement for Denali National Park and Preserve is “to protect intact, the globally significant Denali ecosystems, including their cultural, aesthetic and wilderness values and ensure opportunities for inspiration, education, research, recreation and subsistence for this and future generations.” To that end the park’s management team developed long-term park priorities. The priorities that will guide staff efforts in the years to come are: 1. Provide those facilities necessary to effectively serve park visitors. 2. Develop human resources. 3. Create a model education program. 4. Develop and practice sound, sustainable financial management. 5. Develop and maintain effective working relationships to achieve the park mission. 6. Provide additional appropriate visitor and user opportunities. 7. Develop and implement a strategic research and resource protection program. EXECUTIVE SUMMARY Park staff worked very hard this year to provide facilities to better serve park visitors. A new Visitor Center complex and the Murie Science and Learning Center (MSLC) are under construction and on schedule. These buildings all have an interpretive component that required input in planning and design by all park staff. In addition to these planning and construction projects in the frontcountry, plans are currently under development for a new building to replace the Eielson Visitor Center at Mile 66 on the park road. The design and the interpretive component for this new building also require staff input. In addition to these major construction projects, some smaller-scale development helped the park to more effectively serve the needs of visitors. -
Methods-Focus Glaciers
National Park Service U.S. Department of the Interior Natural Resource Stewardship and Science Alaskan National Park Glaciers - Status and Trends Third Progress Report Natural Resource Data Series NPS/AKRO/NRDS—2013/439 ON THE COVER The colorful, debris-covered terminus of Tuxedni Glacier. Lake Clark National Park and Preserve June 12, 2011. Photograph by: JT Thomas Alaskan National Park Glaciers - Status and Trends Third Progress Report Natural Resource Data Series NPS/AKRO/NRDS—2013/439 Anthony Arendt, Chris Larsen Geophysical Institute University of Alaska Fairbanks 903 Koyukuk Drive Fairbanks, AK 99775 Michael Loso Environmental Science Dept Alaska Pacific University 4101 University Drive Anchorage, AK 99508 Nate Murphy, Justin Rich Geophysical Institute University of Alaska Fairbanks 903 Koyukuk Drive Fairbanks, AK 99775 January 2013 U.S. Department of the Interior National Park Service Natural Resource Stewardship and Science Fort Collins, Colorado The National Park Service, Natural Resource Stewardship and Science office in Fort Collins, Colorado, publishes a range of reports that address natural resource topics. These reports are of interest and applicability to a broad audience in the National Park Service and others in natural resource management, including scientists, conservation and environmental constituencies, and the public. The Natural Resource Data Series is intended for the timely release of basic data sets and data summaries. Care has been taken to assure accuracy of raw data values, but a thorough analysis and interpretation of the data has not been completed. Consequently, the initial analyses of data in this report are provisional and subject to change. All manuscripts in the series receive the appropriate level of peer review to ensure that the information is scientifically credible, technically accurate, appropriately written for the intended audience, and designed and published in a professional manner. -
Physical Environment and Sciences
Physical Environment and Sciences 26 Glacier Monitoring in Denali National Park and Preserve by Guy Adema Abstract The fundamental aspect of the program is an “index” Glaciers are a major method, or single point mass balance monitoring. Two index monitoring sites are maintained in Denali, on the feature in Denali Kahiltna and Muldrow glaciers. Both monitoring sites are National Park and at or near the equilibrium line altitude (ELA) and attempt Preserve (Denali), to measure conditions on the south and north sides of the Alaska Range, respectively. Since monitoring began in covering about one 1991, the Kahiltna glacier index site has had a slightly pos- million acres—17% itive mass balance and a variable velocity that ranges from of the park. Glacier 590 to 820 feet per year (180-250 m/yr). Seasonal balances are on the order of +/- one meter of water equivalency behavior in Denali per year. During the same time period, the Traleika glacier varies from steady has shown a consistently negative mass balance within flow glaciers controlled primarily by topo- a slightly narrower range of seasonal balances, with flow rates between 66 and 230 feet per year (20-70 m/yr). These graphy and climate, to erratic surge-type data, combined with glacial extent measurements and glaciers. This variety offers opportunities to reconstruction of historical photos, have documented monitor glacier dynamics dominated by significant change in Denali’s glacial system. y climate as well as those that are influenced r a r Introduction b i L n by other factors. A formal glacier monitoring o The objective of the glacier-monitoring program in s u m s a program began in Denali in 1991 as part of the Denali is to establish baseline conditions of selected R F A U glaciers and to detect and understand glacial processes. -
Alaska Park Science Anchorage, Alaska
National Park Service U.S. Department of Interior Alaska Regional Office Alaska Park Science Anchorage, Alaska Scientific Studies on Climate Change in Alaska’s National Parks Volume 6, Issue 1 Noatak Table of Contents National Preserve Parks and villages in this Kivalina “Arrange for Change” Interpreting the Science issue of Alaska Park Science of Climate Change in National Parks____________________ 6 Cape Krusenstern National Monument Kobuk Valley Melting Denali: Effects of Climate Change on Kotzebue National Park the Glaciers of Denali National Park and Preserve______ 12 Shishmaref A Changing Climate: Consequences S K A for Subsistence Communities __________________________ 18 L A The Frozen Past of Wrangell-St. Elias Norton Sound A National Park and Preserve __________________________ 24 Denali National A Disappearing Lake Reveals the Little Ice Age History Park and Preserve of Climate and Glacier Response in the Icefields of Wrangell-St. Elias National Park and Preserve Wrangell-St. Elias National Park and Preserve __________ 30 Post Little Ice Age Glacial Rebound in Glacier Bay ______ Glacier Bay National Park and Surrounding Areas 36 National Park and Preserve Visualizing Climate Change — Using Repeat Kenai Fjords Photography to Document the Impacts of National Park Changing Climate on Glaciers and Landscapes ________ 42 ISSN 1545- 4967 June 2007 Bristol Bay Gulf of Alaska Alaska Park Science http://www.nps.gov/akso/AKParkScience/index.htm Editor: Monica Shah Project Lead: Robert Winfree, Regional Science Advisor, email: [email protected] Alaska Park Science Journal Board: Jane Ahern, Public Affairs Specialist Ted Birkedal, Team Leader for Cultural Resources Don Callaway, Cultural Anthropologist Terry DeBruyn, Regional Wildlife Biologist Joy Geiselman, Deputy Chief, Biological Science Office USGS Alaska Science Center Cover: Icebergs slosh around the remnants of glacier-dammed Iceberg Lake just after catastrophic failure of the ice dam. -
Glacier Activity Booklet for Children
National Park Service Denali U.S. Department of the Interior Denali National Park and Preserve Giant Gliding Glaciers FOR KIDS Glaciers, like the Glaciers are masses of ice on the move. of the ice pluck large boulders, gravel, Traleika Glacier in this For any place to have glaciers, there rocks, and dirt, and drag this material photo, are important must be more snow falling in winter along—in the ice, under the ice, or because they shape than snow and ice melting in summer. on the ice. The flowing ice, and rocks the landscape, hold frozen into the bottom of the glacier, large amounts of Denali National Park and Preserve carve wide U-shaped valleys, scrape frozen water, and has many glaciers (they cover about 15 grooves in the bedrock, or polish rocks record in ice the story percent of the park’s area). Some of into dust. The glacier surface often of the Earth’s climate. the park’s glaciers are like huge lumps breaks forming cracks called crevasses. of vanilla ice cream sliding down the scooped-out bowls (cirques) of the Read below how glaciers form, then Alaska Range. Other glaciers are giant turn the page to explore (1) what rivers of ice that flow and glide slowly glaciologists learn from glaciers, (2) downhill in the mountain valleys. how climate change affects glaciers, and (3) which glaciers and glacial features As glaciers move, the sides and bottom you might see in Denali. WHAT IS NEEDED TO MAKE A GLACIER? glacial ice ‒› ‒› ‒› ‒› ▼ snowflake firn Snow: Lots of snow falls Cold: Even summer heat Time: Over a few years, Pressure: As pressure Gravity: When the in a mountain valley does not melt the new the added snow weight builds with more layers, ice flows under its and builds up new snow layers, so they bury and melts and refreezes flakes firn grains fuse to own weight, it is a layers each year.