ArcticDEM Production

北极DEM生产

基本信息

  • 批准号:
    1614673
  • 负责人:
  • 金额:
    $ 2.85万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
    Standard Grant
  • 财政年份:
    2016
  • 资助国家:
    美国
  • 起止时间:
    2016-05-01 至 2020-04-30
  • 项目状态:
    已结题

项目摘要

The project will use the sustained, petascale computing capabilities of Blue Waters to construct the first high-resolution (2m), high-quality (5m uncertainty), and openly distributed digital elevation model (DEM) set of all Arctic land masses above 60 degree N, including all of Greenland, Alaska, and Kamchatka. Such a DEM set is needed for measuring and understanding rapid, ongoing changes to the Arctic landscape resulting from climate change and human use, as well as mitigation and adaptation planning for Arctic communities. Resources for obtaining and maintaining the imagery, tools for post-processing the results, software development time, and methods for distributing the DEM have been secured. The compute time used on Blue Waters is needed to provide DEM coverage of the entire Arctic. DEMs will be provided at no cost to the science community and public at large, and will fulfill the United States' commitment to its Arctic partners as part of its tenure as chair of the Arctic Council. The production of a comprehensive, fine-scale Arctic DEM will transform the Arctic research community and Arctic society. The DEMs will provide time-stamped observations of ice extent and ice surface height and can be examined within the context of changing environmental forcings. The detail of the DEMs will allow the evolution of supraglacial hydrology to be examined down to the level of individual lakes and streams. As published recently in Nature, surface subsidence caused by subglacial hydrological changes will also be available for study (I. M. Howat et al. 2015; Palmer, McMillan, and Morlighem 2015; Willis et al. 2015). Furthermore, the extent of Arctic DEM almost exactly matches the extent of permafrost in the northern hemisphere, so the DEM set will make it possible to examine major thermokarst changes and periglacial hill slope evolution. Examination of the static, dynamic, macro- and micro-surface topography of permafrost regions is a major recommendation of the U.S. National Academy of Sciences to enablefurther understanding of how permafrost regions and their trapped carbon are responding to a warming climate (National Research Council 2014). Additionally, the DEMs will enable detailed examination of coastal evolution, highlighting shoreline erosion at constant rates and in response to extreme events such as a shoreline ice-shove, or ivu. Changing distribution of lake size and location (and possibly depth) and river and delta morphology will be apparent in the data set, with ramifications for wetlands, ecosystems, and wildlife management and sustainability. Ice/volcano interactions, process geomorphology, tectonic geomorphology, plate boundary interactions, fault expressions, fault evolution, glacial geomorphology, and solid earth geodynamics derived from bending lake shorelines will all be provided from the new data. Moreover, atmospheric science pursuits such as the study of microclimates, valley-scale atmospheric dynamics and foehn winds will use the new fine-scale topographies for downscaled or micro-region atmospheric models. Communities are also likely to use the DEMs to anticipate and address permafrost impacts, rising sea level, floodplain delimitation and disaster management.
该项目将利用Blue沃茨的持续千万亿次计算能力,构建第一个高分辨率(2米)、高质量(5米不确定性)和开放分布式的数字高程模型(DEM)集,涵盖所有北纬60度以上的北极陆地,包括格陵兰岛、阿拉斯加和堪察加半岛。需要这样一套DEM来衡量和了解气候变化和人类使用对北极景观造成的快速、持续的变化,以及北极社区的减缓和适应规划。获得和维护图像的资源、对结果进行后处理的工具、软件开发时间以及分发数字高程模型的方法都得到了保障。Blue沃茨上使用的计算时间需要提供整个北极的DEM覆盖。DEM将免费提供给科学界和广大公众,并将履行美国作为北极理事会主席任期的一部分对其北极伙伴的承诺。一个全面的,精细的北极DEM的生产将改变北极研究界和北极社会。数字高程模型将提供有时间戳的冰的范围和冰面高度的观测,并可以在不断变化的环境强迫的背景下进行检查。数字高程模型的细节将允许冰上水文的演变被检查到单个湖泊和溪流的水平。正如最近在《自然》杂志上发表的那样,冰下水文变化引起的地表沉降也将可用于研究(I。M. Howat et al. 2015; Palmer,McMillan,and Morlighem 2015; Willis et al. 2015)。此外,北极DEM的范围几乎完全匹配的范围内的永久冻土在北方半球,所以DEM集将有可能检查主要的热岩溶变化和冰缘山坡演变。对永久冻土区的静态、动态、宏观和微观表面形貌进行检查是美国国家科学院的一项主要建议,以进一步了解永久冻土区及其捕获的碳如何应对气候变暖(国家研究理事会,2014年)。此外,DEM将能够详细检查海岸演变,突出海岸线侵蚀以恒定的速度和应对极端事件,如海岸线冰推,或ivu。湖泊大小和位置(可能还有深度)以及河流和三角洲形态的变化分布将在数据集中显而易见,对湿地、生态系统、野生动物管理和可持续性产生影响。冰/火山相互作用,过程地貌,构造地貌,板块边界相互作用,断层表达,断层演化,冰川地貌和固体地球动力学从弯曲的湖岸线都将提供新的数据。此外,大气科学的研究,如小气候,山谷尺度大气动力学和焚风的研究将使用新的细尺度地形缩小或微区域大气模型。社区也可能使用DEM来预测和解决永久冻土影响、海平面上升、洪泛区划界和灾害管理。

项目成果

期刊论文数量(0)
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Paul Morin其他文献

Snow redistribution in an intermediate-complexity snow hydrology modelling framework
中等复杂度雪水文建模框架中的雪重新分布
  • DOI:
  • 发表时间:
  • 期刊:
  • 影响因子:
    0
  • 作者:
    L. Quéno;R. Mott;Paul Morin;Bertrand Cluzet;G. Mazzotti;Tobias Jonas
  • 通讯作者:
    Tobias Jonas
“You helped me keep my head above water”—experience of bereavement research after loss of a loved one in the ICU: insights from the ARREVE study
“你帮助我保持清醒”——在 ICU 失去亲人后的丧亲研究经验:来自 ARREVE 研究的见解
  • DOI:
    10.1007/s00134-019-05722-x
  • 发表时间:
    2019
  • 期刊:
  • 影响因子:
    38.9
  • 作者:
    A. Laurent;J. Reignier;A. Le Gouge;Alice Cottereau;M. Adda;D. Annane;J. Audibert;F. Barbier;P. Bardou;S. Bourcier;J. Bourenne;A. Boyer;F. Brénas;V. Das;A. Desachy;J. Devaquet;M. Feissel;F. Ganster;M. Garrouste;G. Grillet;O. Guisset;R. Hamidfar;A. Hyacinthe;S. Jochmans;M. Jourdain;A. Lautrette;N. Lerolle;O. Lesieur;Fabien Lion;P. Mateu;B. Mégarbane;S. Merceron;E. Mercier;J. Messika;Paul Morin;B. Philippon;J. Quenot;A. Renault;X. Repéssé;J. Rigaud;S. Robin;A. Roquilly;A. Séguin;D. Thévenin;P. Tirot;I. Vinatier;É. Azoulay;R. Robert;N. Kentish
  • 通讯作者:
    N. Kentish
A practical solution to the geospatial data barrier problem
地理空间数据障碍问题的实用解决方案
CHALLENGES & OPPORTUNITIES FOR RESEARCH IN TECTONICS : Understanding deformation & the processes that link Earth systems , from geologic time to human time A Community Vision Document
挑战
  • DOI:
  • 发表时间:
    2017
  • 期刊:
  • 影响因子:
    0
  • 作者:
    S. Baldwin;W. Behr;S. Beck;T. Becker;Sean P. Bemis;S. Bennett;J. Benowitz;M. Bjornerud;M. Boettcher;R. Briggs;Michael Brudzinski Cathy;Busby;M. Caffee;B. Carrapa;M. Cooke;D. Cowan;H. Daigle;G. V. Davis;P. DeCelles;R. DiBiase;Becky Dorsey;A. Duvall;C. Ebinger;E. Ferré;D. Fisher;R. Fletcher;R. Flowers;G. Gehrels;C. Gerbi;F. Gueydan;M. Harrison;P. Haeussler;N. Hayman;D. Henry;G. Hilley;K. Hodges;J. Hole;B. Horton;B. Horton;M. Hren;K. Ramachandran;Roy D. Johnson;Scott Johnson;H. Kelsey;P. Koons;L. Lavier;S. Laubach;J. Metcalf;K. Milliken;D. Mogk;L. Montési;M. Mookerjee;Paul Morin;Paul Müller;A. J. Nelson
  • 通讯作者:
    A. J. Nelson
OGDI: toward interoperability among geospatial databases
OGDI:实现地理空间数据库之间的互操作性
  • DOI:
    10.1145/262762.262765
  • 发表时间:
    1997
  • 期刊:
  • 影响因子:
    0
  • 作者:
    Gilles Clement;C. Larouche;D. Gouin;Paul Morin;H. Kucera
  • 通讯作者:
    H. Kucera

Paul Morin的其他文献

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{{ truncateString('Paul Morin', 18)}}的其他基金

Petascale Polar Topography Production
Petascale 极地地形生产
  • 批准号:
    1810976
  • 财政年份:
    2018
  • 资助金额:
    $ 2.85万
  • 项目类别:
    Standard Grant
Workshop to explore extended access to the Polar Geospatial Center (PGC) by Earth-science investigators
研讨会探讨地球科学研究人员对极地地理空间中心(PGC)的扩展访问
  • 批准号:
    1645384
  • 财政年份:
    2016
  • 资助金额:
    $ 2.85万
  • 项目类别:
    Standard Grant
The Polar Geospatial Information Center: Joint Support
极地地理空间信息中心:联合支持
  • 批准号:
    1043681
  • 财政年份:
    2011
  • 资助金额:
    $ 2.85万
  • 项目类别:
    Cooperative Agreement
The Antarctic Geospatial Information Center: Collecting, Creating, Delivering and Archiving for the Community
南极地理空间信息中心:为社区收集、创建、交付和存档
  • 批准号:
    0753663
  • 财政年份:
    2007
  • 资助金额:
    $ 2.85万
  • 项目类别:
    Continuing Grant
NSF-NATO Postdoctoral Fellow
NSF-北约博士后研究员
  • 批准号:
    9255313
  • 财政年份:
    1992
  • 资助金额:
    $ 2.85万
  • 项目类别:
    Fellowship Award

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