U.S. Geological Survey Fact Sheet最新文献_第10页

Drought forecasting for streams and groundwaters in northeastern United States 美国东北部河流和地下水的干旱预报

U.S. Geological Survey Fact Sheet Pub Date : 2019-01-01 DOI: 10.3133/fs20193015

Samuel H. Austin, R. Dudley

{"title":"Drought forecasting for streams and groundwaters in northeastern United States","authors":"Samuel H. Austin, R. Dudley","doi":"10.3133/fs20193015","DOIUrl":"https://doi.org/10.3133/fs20193015","url":null,"abstract":"When rainfall is lower than normal over an extended period, streamflows decline, groundwater levels fall, and hydrological drought can occur. Droughts can reduce the water available for societal needs, such as public and private drinking-water supplies, farming, and industry, and for ecological health, such as maintenance of water quality and natural ecosystems. Recent droughts in the northeastern United States have highlighted the need for new scientific tools to forecast the probability of future droughts so water managers and the public can be better prepared for these events when they happen. Two recent U.S. Geological Survey (USGS) studies provide tools that can forecast the probabilities of summer droughts for streams (Austin and Nelms, 2017) and the probabilities of groundwaterlevel declines below specified targets or thresholds (Dudley and others, 2017). These tools provide promising methods for identifying and anticipating probable streamflow and groundwater droughts specific to the northeastern United States. USGS Water Science Centers in the northeastern United States have acted together to use these methods for numerous streamflow gages and groundwater-level monitoring wells, and to make the results of the analyses available on the world wide web. This fact sheet describes the drought forecasting techniques used in a study to predict droughts for streamflow and groundwater in the northeastern United States.","PeriodicalId":36286,"journal":{"name":"U.S. Geological Survey Fact Sheet","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2019-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"69284311","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Water resources of Winn Parish, Louisiana 路易斯安那州温恩教区的水资源

U.S. Geological Survey Fact Sheet Pub Date : 2019-01-01 DOI: 10.3133/fs20193022

V. White

引用次数: 0

Hydrologic conditions in Kansas, water year 2018 堪萨斯州的水文条件，水年2018

U.S. Geological Survey Fact Sheet Pub Date : 2019-01-01 DOI: 10.3133/fs20193042

Angela H. Unrein

引用次数: 0

Rare earth elements in coal and coal fly ash 煤和煤飞灰中的稀土元素

U.S. Geological Survey Fact Sheet Pub Date : 2019-01-01 DOI: 10.3133/fs20193048

C. Scott, A. Kolker

引用次数: 5

Assessment of continuous oil and gas resources in Jurassic Shales of the eastern Arabian Peninsula, 2019 2019年阿拉伯半岛东部侏罗系页岩连续油气资源评价

U.S. Geological Survey Fact Sheet Pub Date : 2019-01-01 DOI: 10.3133/fs20193071

C. J. Schenk, T. Mercier, Cheryl A. Woodall, M. Tennyson, T. Finn, M. Brownfield, K. Marra, P. Le, R. M. Drake, S. Kinney

引用次数: 0

Water Resources of West Carroll Parish, Louisiana 路易斯安那州西卡罗尔教区水资源

U.S. Geological Survey Fact Sheet Pub Date : 2019-01-01 DOI: 10.3133/FS20183069

V. White

引用次数: 2

The use of national datasets to produce an average annual water budget for the Mississippi Alluvial Plain, 2000–13 利用国家数据集编制2000 - 2013年密西西比河冲积平原的年平均水资源预算

U.S. Geological Survey Fact Sheet Pub Date : 2019-01-01 DOI: 10.3133/FS20193001

M. Reitz, W. Kress

引用次数: 2

Assessment of Mesozoic tight-oil and tight-gas resources in the Sichuan Basin of China, 2018 2018年四川盆地中生代致密油和致密气资源评价

U.S. Geological Survey Fact Sheet Pub Date : 2019-01-01 DOI: 10.3133/fs20193010

C. Potter, C. J. Schenk, T. Mercier, M. Tennyson, T. Finn, Cheryl A. Woodall, Heidi M. Leathers-Miller, K. Marra, P. Le, R. M. Drake, M. Brownfield, J. Pitman

{"title":"Assessment of Mesozoic tight-oil and tight-gas resources in the Sichuan Basin of China, 2018","authors":"C. Potter, C. J. Schenk, T. Mercier, M. Tennyson, T. Finn, Cheryl A. Woodall, Heidi M. Leathers-Miller, K. Marra, P. Le, R. M. Drake, M. Brownfield, J. Pitman","doi":"10.3133/fs20193010","DOIUrl":"https://doi.org/10.3133/fs20193010","url":null,"abstract":"In 2018, the U.S. Geological Survey (USGS) quantitatively assessed the potential for unconventional (continuous) oil and gas resources in Mesozoic nonmarine clastic rocks in the Sichuan Basin of China (fig. 1) that include tight gas in the Upper Triassic Xujiahe Formation and tight oil in Lower Jurassic lacustrine strata of the Lianggaoshan Formation and the Da’anzhai Member of the Ziliujing Formation. Previous USGS oil and gas assessments in this basin include a 2015 shale-gas assessment in three Paleozoic stratigraphic intervals in the Sichuan Basin (Potter and others, 2015; Potter, 2018) and a 2012 assessment of conventional oil and gas resources in six major Chinese basins (Charpentier and others, 2012). Chinese national oil companies currently produce tight gas from the Xujiahe (Zhao, Bian, and others, 2013) and tight oil from the Da’anzhai and Lianggaoshan (Chen and others, 2015; Yang and others, 2016) in the central part of the Sichuan Basin. The Xujiahe is a thick fluvial unit that includes three widely distributed coaly gas-prone (Type III) source intervals, each generally 50–150 meters (m) thick and containing numerous coal beds that are a few meters thick (Zou, Tao, and others, 2009; Zhu and others, 2012). These source intervals are alternately stacked with three low-permeability sand reservoir intervals (up to 40 m thick with individual sand reservoirs 3–8 m thick) (Zou, Tao, and others, 2009; Zhao, Bian, and others, 2013; Zou, Gong, and others, 2013). The Da’anzhai and Lianggaoshan contain lacustrine black shales that are rich in Type I and II (oil-prone) organic matter (Li and others, 2014) and are interbedded with tight reservoir units that include a shelly limestone (Da’anzhai) and a sandstone (Lianggaoshan) (Yang and others, 2016). The Da’anzhai is 0–60 m thick, and the Lianggaoshan is 0–100 m thick (Yang and others, 2016).","PeriodicalId":36286,"journal":{"name":"U.S. Geological Survey Fact Sheet","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2019-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"69284234","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Assessment of continuous oil and gas resources in the Beetaloo Basin, Australia, 2018 2018年澳大利亚Beetaloo盆地连续油气资源评价

U.S. Geological Survey Fact Sheet Pub Date : 2019-01-01 DOI: 10.3133/fs20193013

C. J. Schenk, T. Mercier, Cheryl A. Woodall, T. Finn, K. Marra, M. Brownfield, Heidi M. Leathers-Miller, R. M. Drake

{"title":"Assessment of continuous oil and gas resources in the Beetaloo Basin, Australia, 2018","authors":"C. J. Schenk, T. Mercier, Cheryl A. Woodall, T. Finn, K. Marra, M. Brownfield, Heidi M. Leathers-Miller, R. M. Drake","doi":"10.3133/fs20193013","DOIUrl":"https://doi.org/10.3133/fs20193013","url":null,"abstract":"The U.S. Geological Survey (USGS) quantitatively assessed the potential for undiscovered, technically recoverable continuous oil and gas resources in the Beetaloo Basin of northern Australia (fig. 1). The Mesoproterozoic Roper Group in the basin contains the Velkerri and Kyalla Formations, two organic-rich source formations that possibly form some of the oldest viable petroleum systems in the world (Jackson and others, 1986; Silverman and Ahlbrandt, 2011; Cox and others, 2016). The shale units of the Velkerri and Kyalla were deposited between 1,400 and 1,300 million years ago (Yang and others, 2018). Limited drilling and production testing have shown that these rocks may contain recoverable oil and gas resources (Close, Cote, and others, 2017). For rocks of this age to potentially contain recoverable oil and gas indicates that throughout the long period between the Mesoproterozoic and the present, there has been limited deformation of the Beetaloo Basin, and generation might have been relatively late in the burial history. However, the tectonic evolution of the Mesoproterozoic Beetaloo Basin is largely unknown, and several hypotheses have been advanced that include rift basin, multiphase intracontinental basin, foreland basin, and epicontinental basin development (Silverman and Ahlbrandt, 2011; Cox and others, 2016; Close, Cote, and others, 2017; Yang and others, 2018). Rocks of the Roper Group have not been thermally stressed beyond the gas-generation window (Close, Baruch, and others, 2017).","PeriodicalId":36286,"journal":{"name":"U.S. Geological Survey Fact Sheet","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2019-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"69284296","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 1

Landsat 9 地球资源观测卫星8号

U.S. Geological Survey Fact Sheet Pub Date : 2019-01-01 DOI: 10.3133/fs20193008

{"title":"Landsat 9","authors":"","doi":"10.3133/fs20193008","DOIUrl":"https://doi.org/10.3133/fs20193008","url":null,"abstract":"Science instruments: OLI–2; TIRS–2 OLI–2 built by: Ball Aerospace & Technology Corporation TIRS–2 built by: NASA Goddard Space Flight Center Design life: 5 years Spacecraft provider: Northrop Grumman Image data: About 750 scenes per day Target launch date: December 2020 Launch vehicle: United Launch Alliance Atlas V 401 Orbit: Near-polar, sun-synchronous at an altitude of 438 miles (705 kilometers) Orbital inclination: 98.2 degrees Spacecraft speed: 16,760 miles per hour (26,972 kilometers per hour), Consumables: 10+ years Landsat 9 is a partnership between the National Aeronautics and Space Administration (NASA) and the U.S. Geological Survey (USGS) that will continue the Landsat program’s critical role of repeat global observations for monitoring, understanding, and managing Earth’s natural resources. Since 1972, Landsat data have provided a unique resource for those who work in agriculture, geology, forestry, regional planning, education, mapping, and global-change research. Landsat images have also proved invaluable to the International Charter: Space and Major Disasters, supporting emergency response and disaster relief to save lives. With the addition of Landsat 9, the Landsat program’s record of land imaging will be extended to over half a century.","PeriodicalId":36286,"journal":{"name":"U.S. Geological Survey Fact Sheet","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2019-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"69284667","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 13