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Recent Declines in Warming and Vegetation Greening Trends Over Pan-Arctic Tundra
Remote Sens. 2013, 5, 4229-4254; doi:10.3390/rs5094229 OPEN ACCESS Remote Sensing ISSN 2072-4292 www.mdpi.com/journal/remotesensing Article Recent Declines in Warming and Vegetation Greening Trends over Pan-Arctic Tundra Uma S. Bhatt 1,*, Donald A. Walker 2, Martha K. Raynolds 2, Peter A. Bieniek 1,3, Howard E. Epstein 4, Josefino C. Comiso 5, Jorge E. Pinzon 6, Compton J. Tucker 6 and Igor V. Polyakov 3 1 Geophysical Institute, Department of Atmospheric Sciences, College of Natural Science and Mathematics, University of Alaska Fairbanks, 903 Koyukuk Dr., Fairbanks, AK 99775, USA; E-Mail: [email protected] 2 Institute of Arctic Biology, Department of Biology and Wildlife, College of Natural Science and Mathematics, University of Alaska, Fairbanks, P.O. Box 757000, Fairbanks, AK 99775, USA; E-Mails: [email protected] (D.A.W.); [email protected] (M.K.R.) 3 International Arctic Research Center, Department of Atmospheric Sciences, College of Natural Science and Mathematics, 930 Koyukuk Dr., Fairbanks, AK 99775, USA; E-Mail: [email protected] 4 Department of Environmental Sciences, University of Virginia, 291 McCormick Rd., Charlottesville, VA 22904, USA; E-Mail: [email protected] 5 Cryospheric Sciences Branch, NASA Goddard Space Flight Center, Code 614.1, Greenbelt, MD 20771, USA; E-Mail: [email protected] 6 Biospheric Science Branch, NASA Goddard Space Flight Center, Code 614.1, Greenbelt, MD 20771, USA; E-Mails: [email protected] (J.E.P.); [email protected] (C.J.T.) * Author to whom correspondence should be addressed; E-Mail: [email protected]; Tel.: +1-907-474-2662; Fax: +1-907-474-2473. -
MARCH 10, 2011 Iditarod 39 on the Trail to Nome
Photo by Nikolai Ivanoff WHY DID THE MOOSE CROSS THE ROAD?— Because they want to cross the Glacier Creek Road and see what was going on at the Rock Creek Mine. C VOLUME CXI NO. 10 MARCH 10, 2011 Iditarod 39 on the trail to Nome By Diana Haecker dubbed the Last Great Race. Seen at The 2011 Iditarod Trail Sled Dog the Avenue to wish mushers good race is underway with 62 mushers luck were Alaska senators Lisa and their dogs heading for Nome. Murkowski and Mark Begich, Gov- The first days of the race saw sunny ernor Sean Parnell, Lt. Governor weather, not a cloud in the sky and Mead Treadwell and Anchorage fast trails leading into the Alaska Mayor Dan Sullivan. Also on hand Range. But it will take a crystal ball to send off the teams was Nome to predict how the rest of the race is Mayor Denise Michaels and Iditarod going to shape up. Weather condi- Trail Committee Director John Han- tions, may they be “hot” or brutally deland. cold, stormy or calm, are dictating Under blue skies, with helicopters trail conditions and that in turn in- buzzing aloft and thousands of fans fluences a great deal how the dogs lining the city streets and trails lead- and their mushers are coping with ing out to Campbell airstrip, the whatever Mother Nature throws at mushers were cheered by fans from them. near and far. The ceremonial start in Anchorage Florence Busch was wearing bib took place on Saturday, March 5 Number One as the honorary with droves of people lining Fourth musher. -
Flow of Pacific Water in the Western Chukchi
Deep-Sea Research I 105 (2015) 53–73 Contents lists available at ScienceDirect Deep-Sea Research I journal homepage: www.elsevier.com/locate/dsri Flow of pacific water in the western Chukchi Sea: Results from the 2009 RUSALCA expedition Maria N. Pisareva a,n, Robert S. Pickart b, M.A. Spall b, C. Nobre b, D.J. Torres b, G.W.K. Moore c, Terry E. Whitledge d a P.P. Shirshov Institute of Oceanology, 36, Nakhimovski Prospect, Moscow 117997, Russia b Woods Hole Oceanographic Institution, 266 Woods Hole Road, Woods Hole, MA 02543, USA c Department of Physics, University of Toronto, 60 St. George Street, Toronto, Ontario M5S 1A7, Canada d University of Alaska Fairbanks, 505 South Chandalar Drive, Fairbanks, AK 99775, USA article info abstract Article history: The distribution of water masses and their circulation on the western Chukchi Sea shelf are investigated Received 10 March 2015 using shipboard data from the 2009 Russian-American Long Term Census of the Arctic (RUSALCA) pro- Received in revised form gram. Eleven hydrographic/velocity transects were occupied during September of that year, including a 25 August 2015 number of sections in the vicinity of Wrangel Island and Herald canyon, an area with historically few Accepted 25 August 2015 measurements. We focus on four water masses: Alaskan coastal water (ACW), summer Bering Sea water Available online 31 August 2015 (BSW), Siberian coastal water (SCW), and remnant Pacific winter water (RWW). In some respects the Keywords: spatial distributions of these water masses were similar to the patterns found in the historical World Arctic Ocean Ocean Database, but there were significant differences. -
Remarks by Mead Treadwell Chair, U.S. Arctic Research Commission
Remarks by Mead Treadwell Chair, U.S. Arctic Research Commission International Arctic Fisheries Conference Institute of the North/Hotel Captain Cook Anchorage, Alaska – October 19, 2009 Arctic Fisheries: five things we should commit to now Thank you, Ben, for your introduction, and for pulling this conference together. Some of you know Ben Ellis, some of you may not. Until a few weeks ago, I called him ‘boss’: I’d recruited him, and he’d succeeded me as managing director of the Institute of the North. Ben, you’ve done a magnificent job for Alaskans, for the Arctic, for the country by doing what Governor Wally Hickel taught us both to do: convene a learned conversation to help Northerners address what’s strategic, and to find a common voice. Northerners everywhere can thank you for what you’ve done to advance fisheries, shipping, aviation safety, our common security, and sustainable energy in your work. The tone and tenor of Alaska’s political conversation – and talk throughout the Arctic – is calmer, cooler, and collected because of your dedicated work, including one of the Institute’s hallmark programs, an annual “Alaska Dialogue” policy conference at the foot of North America’s tallest mountain, Denali. Don’t get me wrong – I’m not saying Ben himself is always calm or cool or collected! Try bringing bananas on his fishing boat! Ben, every time we see your temper, it has been to get us all to chip in, to push us all forward, and forward we have come. Thanks. I also want to recognize Ambassador David Balton who is with us this week. -
12 Northern Bering-Chukchi Sea
12/18:&LME&FACTSHEET&SERIES& NORTHERN BERING- CHUKCHI SEA LME tic LMEs Arc NORTHERN'BERING+CHUKCHI'SEA'LME'MAP 18 of Map Russia Bering Strait Alaska Russia LME Canada Iceland Central Arctic Ocean 12 "1 ARCTIC LMEs Large&! Marine& Ecosystems& (LMEs)& are& defined& as& regions& of& work&of&the&ArcMc&Council&in&developing&and&promoMng&the& ocean& space& of& 200,000& km²& or& greater,& that& encompass& Ecosystem& ApproacH& to& management& of& the& ArcMc& marine& coastal& areas& from& river& basins& and& estuaries& to& the& outer& environment.& margins& of& a& conMnental& sHelf& or& the& seaward& extent& of& a& predominant&coastal¤t.&LMEs&are&defined&by&ecological& Joint'EA'Expert'group' criteria,&including&bathymetry,&HydrograpHy,&producMvity,&and& PAME& establisHed& an& Ecosystem& ApproacH& to& Management& tropically& linked& populaMons.& PAME& developed& a& map& expert& group& in& 2011& with& the& parMcipaMon& of& other& ArcMc& delineaMng&17&ArcMc&Large&Marine&Ecosystems&(ArcMc&LME's)& Council&working&groups&(AMAP,&CAFF&and&SDWG).&THis&joint& in&the&marine&waters&of&the&ArcMc&and&adjacent&seas&in&2006.& Ecosystem&ApproacH&Expert&Group&(EAYEG)&Has&developed&a& In&a&consultaMve&process&including&agencies&of&ArcMc&Council& framework& for& EA& implementaMon& wHere& the& first& step& is& member&states&and&other&ArcMc&Council&working&groups,&the& idenMficaMon& of& the& ecosystem& to& be& managed.& IdenMfying& ArcMc& LME& map& was& revised& in& 2012&to&include&18&ArcMc& the&ArcMc&LMEs&represents&this&first&step. LMEs.& THis& is& the& current& -
Origin of Marginal Basins of the NW Pacific and Their Plate Tectonic
Earth-Science Reviews 130 (2014) 154–196 Contents lists available at ScienceDirect Earth-Science Reviews journal homepage: www.elsevier.com/locate/earscirev Origin of marginal basins of the NW Pacificandtheirplate tectonic reconstructions Junyuan Xu a,⁎, Zvi Ben-Avraham b,TomKeltyc, Ho-Shing Yu d a Department of Petroleum Geology, China University of Geosciences, Wuhan, 430074, China. b Department of Geophysics and Planetary Sciences, Tel Aviv University, Ramat Aviv 69978, Israel c Department of Geological Sciences, California State University, Long Beach, CA 90840, USA d Institute of Oceanography, National Taiwan University, Taipei, Taiwan article info abstract Article history: Geometry of basins can indicate their tectonic origin whether they are small or large. The basins of Bohai Gulf, Received 4 March 2013 South China Sea, East China Sea, Japan Sea, Andaman Sea, Okhotsk Sea and Bering Sea have typical geometry Accepted 3 October 2013 of dextral pull-apart. The Java, Makassar, Celebes and Sulu Seas basins together with grabens in Borneo also com- Available online 16 October 2013 prise a local dextral, transform-margin type basin system similar to the central and southern parts of the Shanxi Basin in geometry. The overall configuration of the Philippine Sea resembles a typical sinistral transpressional Keywords: “pop-up” structure. These marginal basins except the Philippine Sea basin generally have similar (or compatible) Marginal basins of the NW Pacific Dextral pull-apart rift history in the Cenozoic, but there do be some differences in the rifting history between major basins or their Sinistral transpressional pop-up sub-basins due to local differences in tectonic settings. Rifting kinematics of each of these marginal basins can be Uplift of Tibetan Plateau explained by dextral pull-apart or transtension. -
Arctic Report Card 2018 Effects of Persistent Arctic Warming Continue to Mount
Arctic Report Card 2018 Effects of persistent Arctic warming continue to mount 2018 Headlines 2018 Headlines Video Executive Summary Effects of persistent Arctic warming continue Contacts to mount Vital Signs Surface Air Temperature Continued warming of the Arctic atmosphere Terrestrial Snow Cover and ocean are driving broad change in the Greenland Ice Sheet environmental system in predicted and, also, Sea Ice unexpected ways. New emerging threats Sea Surface Temperature are taking form and highlighting the level of Arctic Ocean Primary uncertainty in the breadth of environmental Productivity change that is to come. Tundra Greenness Other Indicators River Discharge Highlights Lake Ice • Surface air temperatures in the Arctic continued to warm at twice the rate relative to the rest of the globe. Arc- Migratory Tundra Caribou tic air temperatures for the past five years (2014-18) have exceeded all previous records since 1900. and Wild Reindeer • In the terrestrial system, atmospheric warming continued to drive broad, long-term trends in declining Frostbites terrestrial snow cover, melting of theGreenland Ice Sheet and lake ice, increasing summertime Arcticriver discharge, and the expansion and greening of Arctic tundravegetation . Clarity and Clouds • Despite increase of vegetation available for grazing, herd populations of caribou and wild reindeer across the Harmful Algal Blooms in the Arctic tundra have declined by nearly 50% over the last two decades. Arctic • In 2018 Arcticsea ice remained younger, thinner, and covered less area than in the past. The 12 lowest extents in Microplastics in the Marine the satellite record have occurred in the last 12 years. Realms of the Arctic • Pan-Arctic observations suggest a long-term decline in coastal landfast sea ice since measurements began in the Landfast Sea Ice in a 1970s, affecting this important platform for hunting, traveling, and coastal protection for local communities. -
Saving the World's Natural Wonders from Climate Change
Saving the world's natural wonders from climate change HOW WWF FIELD WORK DEFENDS NATURE AND PEOPLE FROM CLIMATE CHANGE IMPACTS WWF Briefing Paper EMBARGOED FOR THURSDAY 5 April 2007, 11.30 CET IPCC Working Group 2 is finalising its report showing how climate change is and will be affecting the different regions of the planet. WWF, with its conservation programmes in over 90 countries, is witnessing some of these impacts already. In the following document, we provide short overviews on ten of the places where we work and what we are doing there to build defenses against the effects of climate change. The regions presented are: ►Great Barrier Reef and other coral reefs around the world ►A desert drying out – Chihuahua (Mexico and USA) ►Turtles in the Caribbean ►The oldest Climate Witness Alive: Valdivian temperate rainforests (Chile) ►Tigers and People in the Indian Sunderbans ►China: Upper Yangtze ►The Amazon ►The fate of the wild salmon - Bering Sea and Pacific North- East/Alsaka, USA ►Melting Glaciers in the Himalayas ►East African Coastal Forests ►East Africa Marine SPOKESPEOPLE: Dr Lara Hansen, Chief Scientist, WWF’s Global Climate Change Programme Hans Verolme, Director, WWF Climate Change Programme MEDIA CONTACTS: Brian Thomson, WWF International, +41 79 477 3553, [email protected]. Martin Hiller, WWF Global Climate Change Programme, +41 79 347 2256, [email protected]. From 6 April 10 a.m. CET, find a detailed map on IPCC messages for over a hundred countries and regions at www.panda.org/climate/ipcc . Find stories and a map of WWF Climate Witnesses at www.panda.org/climatewitness Saving Nature’s Jewels from Climate Change - WWF Briefing Paper - 5 April 2007 1 BLEACHED AND DEAD? Around the Equator from the South Pacific to the Caribbean Sea WHAT? Contact: Coral reefs are home to 25% of all marine life, but comprise just 0.25% of all the ocean. -
2012 Region 1
State of Alaska Official Election Pamphlet VOTENovember 6, 2012 • Southeast • Prince William Sound REGION I • Kodiak • Kenai Peninsula PAGE 1 2012 REGION I Table of Contents General Election Day is Tuesday, November 6, 2012 Letter of Introduction ................................................................................................ 3 Voting Information .................................................................................................... 4 Voter Rights, Assistance and Concerns .................................................................. 5 Absentee Voting ...................................................................................................... 6 Absentee Ballot Application ..................................................................................... 7 Absentee Ballot Application Instructions .................................................................. 8 Polling Places .......................................................................................................... 9 Absentee Voting Locations .................................................................................... 10 Candidates for Elected Office ................................................................................ 13 Candidates for President, Vice President, U.S. Representative ............................ 14 Candidates for Senate District N ....................................................................... 26 Candidates for Senate District O, House District 29 ......................................... -
Why the Arctic Matters America’S Responsibilities As an Arctic Nation
WHY THE ARCTIC MATTERS America’s Responsibilities as an Arctic Nation A COMMONWEALTH NORTH STUDY REPORT Mead Treadwell and Tim Wiepking, co-chairs ALASKA AND AMERICA NEED AN ARCTIC AGENDA AMERICA MUST UNDERSTAND IT IS AN ARCTIC NATION… OUR ARCTIC HELPS DEFEND AMERICA. IT FUELS, FEEDS, SUPPLIES VITAL TRANSPORT SERVICES – AND INSPIRATION – TO THE WORLD. AND IT CAN DO MORE… In 2009, the United States adopted a new Arctic Policy, focused on goals for international cooperation in the Arctic. As we witness sea ice retreat, warming temperatures, new estimates of Arctic energy resources, stress on indigenous peoples, and other rapid change, Commonwealth North – Alaska’s premier public policy forum – recommends next steps to help America’s Arctic better contribute to America’s national, economic and environmental security: • With the State of Alaska, the U.S. should adopt a con- new Polar-class icebreakers, replacing those now in crete plan of action to meet the broad opportunities near-caretaker status. and responsibilities America faces as an Arctic nation. Recognize that the Arctic’s diverse “natural capital,” • Ratify the United Nations Convention on the Law of energy, fish, minerals, and location are strategic U.S. the Sea, and aggressively prepare a U.S. claim for assets. Managed right, these assets will sustain us today extended continental shelf. Engage our neighbors in and tomorrow. developing common rules and investments for safe, secure and reliable shipping. Manage our common • The Arctic’s cold helps moderate the Earth’s climate, assets – air, water, fish and wildlife – in concert with and keeps large amounts of carbon locked into per- other Arctic nations mafrost that would otherwise enter the atmosphere. -
Northern Bering Sea: Ecosystem and Climate Change
Northern Bering Sea and Bering Strait Ecosystem and Climate Change George Riggs, NASA Bering Sea Elders Group is an association of elders appointed by 39 participating tribes from the Kuskokwim Bay to the Bering Strait. Our mission is to speak and work together as one voice to protect and respect our traditional ways of life, the ocean web of life that supports the resources we rely on, and our children’s future. The Elders Group serves as a messenger to our children, tribal councils, and government decision-makers. Editing and production: Thomas Van Pelt / Transboundary Ecologic LLC Design: Eric Cline / TerraGraphica Mapping and imagery: Hunter Hadaway / Center for Environmental Visualization Front cover inset photos, left to right: James Barker, Andrew Trites, Jeff Wasley, Amelia Brower / NOAA Andrew Trites Introduction The cold, rich waters of the northern Bering Sea and Bering Strait form the foundation of One of the largest culture, food security, and economy for coastal Yupik and Inupiaq peoples, who have relied marine migrations on on the abundant marine resources of this region for thousands of years. Cultural practices associated with hunting and fishing bind people to the sea, and tie families and communities Earth moves through together through the passing of knowledge from one generation to the next. Alongside ongoing the northern Bering traditional uses are small-scale commercial fisheries for salmon, crab, herring, and halibut, which Sea and Bering are a vital component of regional employment and the cash economy. The seafloor and waters of this region are extraordinarily productive, and support a globally-significant diversity and abundance Strait each spring to of marine mammals, seabirds, and other ocean life. -
Chapter 10 Adjacent Seas of the Pacific Ocean Although The
Chapter 10 Adjacent seas of the Pacific Ocean Although the adjacent seas of the Pacific Ocean do not impact much on the hydrography of the oceanic basins, they cover a substantial part of its area and deserve separate discussion. All are located along the western rim of the Pacific Ocean. From the point of view of the global oceanic circulation, the most important adjacent sea is the region on either side of the equator between the islands of the Indonesian archipelago. This region is the only mediterranean sea of the Pacific Ocean and is called the Australasian Mediterranean Sea. Its influence on the hydrography of the world ocean is far greater in the Indian than in the Pacific Ocean, and a detailed discussion of this important sea is therefore postponed to Chapter 13. The remaining adjacent seas can be grouped into deep basins with and without large shelf areas, and shallow seas that form part of the continental shelf. The Japan, Coral and Tasman Seas are deep basins without large shelf areas. The circulation and hydrography of the Coral and Tasman Seas are closely related to the situation in the western South Pacific Ocean and were already covered in the last two chapters; so only the Japan Sea will be discussed here. The Bering Sea, the Sea of Okhotsk, and the South China Sea are also deep basins but include large shelf areas as well. The East China Sea and Yellow Sea are shallow, forming part of the continental shelf of Asia. Other continental shelf seas belonging to the Pacific Ocean are the Gulf of Thailand and the Java Sea in South-East Asia and the Timor and Arafura Seas with the Gulf of Carpentaria on the Australian shelf.