Konrad Steffen
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Konrad Steffen
Konrad "Koni" Steffen (2 January 1952 – 8 August 2020) was a Swiss glaciologist, known for his research into the impact of global warming on the Arctic. Early life and education Konrad Steffen was born on January 2, 1952, in Zurich, Switzerland to Ernst and Maria Steffen, née Kurzinski. His father was a fashion designer and his mother ran an accounting firm. As a child, Steffen aspired to become an actor, but his father insisted he pursue a profession first. Steffen attended ETH Zurich, from which he received his undergraduate degree or Diplom in 1977 and a Doctor of Science degree (Ph.D.) in natural sciences in 1984. In 1986, Steffen went to the United States as a visiting fellow at the Cooperative Institute at the University of Colorado Boulder. Career Steffen was an associate professor of geography at the University of Colorado Boulder from 1991 to 1997, whereupon he became a full professor there. He served as the director of the Cooperative Institute for Research in Envi ...
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Cooperative Institute For Research In Environmental Sciences
The Cooperative Institute for Research in Environmental Sciences (CIRES) is a research institute that is sponsored jointly by the National Oceanic and Atmospheric Administration (NOAA) Office of Oceanic and Atmospheric Research (OAR) and the University of Colorado Boulder (CU). CIRES scientists study the Earth system, including the atmosphere, hydrosphere, cryosphere, biosphere, and geosphere, and communicate these findings to decision makers, the scientific community, and the public. It is one of 16 NOAA Cooperative Institutes (CIs). History and research CIRES was established in 1967 and is the oldest and largest of NOAA's cooperative institutes nationwide. CIRES facilitates interdisciplinary collaboration between researchers at the University of Colorado and NOAA's Office of Oceanic and Atmospheric Research (OAR), National Environmental Satellite, Data and Information Service (NESDIS), and the National Weather Service (NWS). CIRES includes more than 800 scientists, staff, and ...
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IPCC AR5
The Fifth Assessment Report (AR5) of the United Nations Intergovernmental Panel on Climate Change (IPCC) is the fifth in a series of such reports and was completed in 2014.IPCC (2014The IPCC’s Fifth Assessment Report (AR5) leaflet/ref> As had been the case in the past, the outline of the AR5 was developed through a scoping process which involved climate change experts from all relevant disciplines and users of IPCC reports, in particular representatives from governments. Governments and organizations involved in the Fourth Report were asked to submit comments and observations in writing with the submissions analysed by the panel. Projections in AR5 are based on "Representative Concentration Pathways" (RCPs). The RCPs are consistent with a wide range of possible changes in future anthropogenic greenhouse gas emissions. Projected changes in global mean surface temperature and sea level are given in the main RCP article. AR5 followed the same general format as of AR4, with th ...
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Antarctica
Antarctica () is Earth's southernmost and least-populated continent. Situated almost entirely south of the Antarctic Circle and surrounded by the Southern Ocean, it contains the geographic South Pole. Antarctica is the fifth-largest continent, being about 40% larger than Europe, and has an area of . Most of Antarctica is covered by the Antarctic ice sheet, with an average thickness of . Antarctica is, on average, the coldest, driest, and windiest of the continents, and it has the highest average elevation. It is mainly a polar desert, with annual precipitation of over along the coast and far less inland. About 70% of the world's freshwater reserves are frozen in Antarctica, which, if melted, would raise global sea levels by almost . Antarctica holds the record for the lowest measured temperature on Earth, . The coastal regions can reach temperatures over in summer. Native species of animals include mites, nematodes, penguins, seals and tardigrades. Where vegetation o ...
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Boise Weekly
''Boise Weekly'' is a newspaper in Boise, Idaho, United States. It was founded in 1992 by Andy and Debi Hedden-Nicely and Larry Regan. It is owned by Adams Publishing Group's Western Division and is part of ''The Idaho Press''. It has an unaudited circulation of 35,000 and is published weekly on Wednesday. Its market is southwestern Idaho from McCall on the northwest to Sun Valley to the east. In February 2000, the paper was sold to the Portland, Oregon-based City of Roses Newspaper Company, which also owns two other alt-weekly newspapers, ''Willamette Week'' and the ''Santa Fe Reporter'', but only a year and a half later, in August 2001, City of Roses sold the ''Boise Weekly'' to Mark ("Bingo") Barnes and Sally Barnes (''nee'' Freeman). Bingo Barnes became its publisher and editor-in-chief. The Barneses were married, but they later divorced and Sally Barnes resumed using her unmarried name of Sally Freeman. In 2007, Bingo Barnes left to become publisher of the ''Anchorage ...
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Sea Levels
Mean sea level (MSL, often shortened to sea level) is an average surface level of one or more among Earth's coastal bodies of water from which heights such as elevation may be measured. The global MSL is a type of vertical datuma standardised geodetic datumthat is used, for example, as a chart datum in cartography and marine navigation, or, in aviation, as the standard sea level at which atmospheric pressure is measured to calibrate altitude and, consequently, aircraft flight levels. A common and relatively straightforward mean sea-level standard is instead the midpoint between a mean low and mean high tide at a particular location. Sea levels can be affected by many factors and are known to have varied greatly over geological time scales. Current sea level rise is mainly caused by human-induced climate change. When temperatures rise, mountain glaciers and the polar ice caps melt, increasing the amount of water in water bodies. Because most of human settlement and infrastructu ...
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Popular Science
''Popular Science'' (also known as ''PopSci'') is an American digital magazine carrying popular science content, which refers to articles for the general reader on science and technology subjects. ''Popular Science'' has won over 58 awards, including the American Society of Magazine Editors awards for its journalistic excellence in 2003 (for General Excellence), 2004 (for Best Magazine Section), and 2019 (for Single-Topic Issue). With roots beginning in 1872, ''Popular Science'' has been translated into over 30 languages and is distributed to at least 45 countries. Early history ''The Popular Science Monthly'', as the publication was originally called, was founded in May 1872 by Edward L. Youmans to disseminate scientific knowledge to the educated layman. Youmans had previously worked as an editor for the weekly ''Appleton's Journal'' and persuaded them to publish his new journal. Early issues were mostly reprints of English periodicals. The journal became an outlet for writings ...
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USA Today
''USA Today'' (stylized in all uppercase) is an American daily middle-market newspaper and news broadcasting company. Founded by Al Neuharth on September 15, 1982, the newspaper operates from Gannett's corporate headquarters in Tysons, Virginia. Its newspaper is printed at 37 sites across the United States and at five additional sites internationally. The paper's dynamic design influenced the style of local, regional, and national newspapers worldwide through its use of concise reports, colorized images, Infographic, informational graphics, and inclusion of popular culture stories, among other distinct features. With an average print circulation of 159,233 as of 2022, a digital-only subscriber base of 504,000 as of 2019, and an approximate daily readership of 2.6 million, ''USA Today'' is ranked as the first by circulation on the list of newspapers in the United States. It has been shown to maintain a generally center-left audience, in regards to political persuasion. ''US ...
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Greenland Ice Sheet
The Greenland ice sheet ( da, Grønlands indlandsis, kl, Sermersuaq) is a vast body of ice covering , roughly near 80% of the surface of Greenland. It is sometimes referred to as an ice cap, or under the term ''inland ice'', or its Danish equivalent, ''indlandsis''. An acronym, GIS, is frequently used in the scientific literature. It is the second largest ice body in the world, after the Antarctic ice sheet. The ice sheet is almost long in a north–south direction, and its greatest width is at a latitude of 77°N, near its northern margin. The average thickness is about and over at its thickest point. In addition to the large ice sheet, smaller ice caps (such as Maniitsoq and Flade Isblink) as well as glaciers, cover between around the periphery. The Greenland ice sheet is adversely affected by climate change. It is more vulnerable to climate change than the Antarctic ice sheet because of its position in the Arctic, where it is subject to the regional amplification o ...
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Weather Station
A weather station is a facility, either on land or sea, with instruments and equipment for measuring atmospheric conditions to provide information for weather forecasts and to study the weather and climate. The measurements taken include temperature, atmospheric pressure, humidity, wind speed, wind direction, and precipitation amounts. Wind measurements are taken with as few other obstructions as possible, while temperature and humidity measurements are kept free from direct solar radiation, or insolation. Manual observations are taken at least once daily, while automated measurements are taken at least once an hour. Weather conditions out at sea are taken by ships and buoys, which measure slightly different meteorological quantities such as sea surface temperature (SST), wave height, and wave period. Drifting weather buoys outnumber their moored versions by a significant amount. Weather instruments Typical weather stations have the following instruments: * Thermometer for ...
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New York Times
''The New York Times'' (''the Times'', ''NYT'', or the Gray Lady) is a daily newspaper based in New York City with a worldwide readership reported in 2020 to comprise a declining 840,000 paid print subscribers, and a growing 6 million paid digital media, digital subscribers. It also is a producer of popular podcasts such as ''The Daily (podcast), The Daily''. Founded in 1851 by Henry Jarvis Raymond and George Jones (publisher), George Jones, it was initially published by Raymond, Jones & Company. The ''Times'' has won List of Pulitzer Prizes awarded to The New York Times, 132 Pulitzer Prizes, the most of any newspaper, and has long been regarded as a national "newspaper of record". For print it is ranked List of newspapers by circulation, 18th in the world by circulation and List of newspapers in the United States, 3rd in the U.S. The paper is owned by the New York Times Company, which is Public company, publicly traded. It has been governed by the Sulzberger family since 189 ...
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Petermann Glacier
Petermann Glacier ( da, Petermann Gletsjer) is a large glacier located in North-West Greenland to the east of Nares Strait. It connects the Greenland ice sheet to the Arctic Ocean at 81°10' north latitude, near Hans Island. The glacier and its fjord are named after German cartographer August Heinrich Petermann. Geography The tidewater glacier consists of a long and wide floating ice tongue whose thickness changes from about at its grounding line to about at its front. Rough mass balance estimates using these scales suggest that about 80% of its mass is lost as basal meltwater, yet little oceanographic data are available to connect Petermann Glacier to its fjord and adjacent Nares Strait. Even the sill depth and location is largely unknown as modern soundings of the fjord, with its mouth located between Cape Morton and Cape Tyson, are still lacking. Petermann Glacier marks the western limit of Hall Land and the eastern of Daugaard-Jensen Land. The Petermann Peninsula flanks i ...
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