Global S&T Development Trend Analysis Platform of Resources and Environment
DOI | 10.1126/science.aat0636 |
Global extent of rivers and streams | |
Allen, George H.1,2; Pavelsky, Tamlin M.1 | |
2018-08-10 | |
发表期刊 | SCIENCE |
ISSN | 0036-8075 |
EISSN | 1095-9203 |
出版年 | 2018 |
卷号 | 361期号:6402页码:585-587 |
文章类型 | Article |
语种 | 英语 |
国家 | USA |
英文摘要 | The turbulent surfaces of rivers and streams are natural hotspots of biogeochemical exchange with the atmosphere. At the global scale, the total river-atmosphere flux of trace gasses such as carbon dioxide depends on the proportion of Earth's surface that is covered by the fluvial network, yet the total surface area of rivers and streams is poorly constrained. We used a global database of planform river hydromorphology and a statistical approach to show that global river and stream surface area at mean annual discharge is 773,000 +/- 79,000 square kilometers (0.58 +/- 0.06%) of Earth's nonglaciated land surface, an area 44 +/- 15% larger than previous spatial estimates. We found that rivers and streams likely play a greater role in controlling land-atmosphere fluxes than is currently represented in global carbon budgets. |
领域 | 地球科学 ; 气候变化 ; 资源环境 |
收录类别 | SCI-E |
WOS记录号 | WOS:000441202700033 |
WOS关键词 | EMISSIONS ; WIDTH ; CHANNEL ; WATER ; SIZE ; AREA |
WOS类目 | Multidisciplinary Sciences |
WOS研究方向 | Science & Technology - Other Topics |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/199334 |
专题 | 地球科学 资源环境科学 气候变化 |
作者单位 | 1.Univ N Carolina, Dept Geol Sci, Chapel Hill, NC 27515 USA; 2.Texas A&M Univ, Dept Geog, College Stn, TX 77843 USA |
推荐引用方式 GB/T 7714 | Allen, George H.,Pavelsky, Tamlin M.. Global extent of rivers and streams[J]. SCIENCE,2018,361(6402):585-587. |
APA | Allen, George H.,&Pavelsky, Tamlin M..(2018).Global extent of rivers and streams.SCIENCE,361(6402),585-587. |
MLA | Allen, George H.,et al."Global extent of rivers and streams".SCIENCE 361.6402(2018):585-587. |
条目包含的文件 | 条目无相关文件。 |
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