全文获取类型
收费全文 | 70篇 |
免费 | 2篇 |
国内免费 | 1篇 |
专业分类
测绘学 | 4篇 |
大气科学 | 7篇 |
地球物理 | 23篇 |
地质学 | 20篇 |
海洋学 | 5篇 |
天文学 | 2篇 |
自然地理 | 12篇 |
出版年
2021年 | 1篇 |
2018年 | 1篇 |
2017年 | 2篇 |
2016年 | 1篇 |
2014年 | 1篇 |
2013年 | 5篇 |
2012年 | 5篇 |
2011年 | 1篇 |
2010年 | 6篇 |
2009年 | 3篇 |
2008年 | 3篇 |
2007年 | 5篇 |
2006年 | 2篇 |
2005年 | 3篇 |
2004年 | 2篇 |
2003年 | 1篇 |
2002年 | 2篇 |
2001年 | 2篇 |
2000年 | 3篇 |
1999年 | 1篇 |
1998年 | 1篇 |
1997年 | 2篇 |
1995年 | 1篇 |
1994年 | 2篇 |
1993年 | 2篇 |
1992年 | 2篇 |
1991年 | 2篇 |
1990年 | 3篇 |
1988年 | 1篇 |
1987年 | 2篇 |
1984年 | 1篇 |
1982年 | 2篇 |
1974年 | 1篇 |
1965年 | 1篇 |
排序方式: 共有73条查询结果,搜索用时 78 毫秒
71.
Apparent oxygen utilisation is potentially biased by abiotic, physical processes. Using a coupled 3-D circulation-oxygen model, this potential is quantitatively estimated for a region in the eastern subtropical North Atlantic, called the Beta Triangle, where an inconsistency exists between observational estimates of high carbon export from the euphotic zone, based on oxygen utilisation rates in the thermocline (Jenkins 1982), and those of low nutrient supply to the euphotic zone (Lewis et al. 1986, 2004). Our results indicate that in the upper ocean, the Jenkins (1982) estimate is indeed biased high by approximately 10% due to abiotic processes feigning respiration, thus contributing to the apparent inconsistency. Vertical integration, however, yields an abiotic fraction of less than 3%, so the apparent observational discrepancy can not be resolved.Responsible Editor: Franciscus Colijn 相似文献
72.
Stephen Kuhlmann Harold Spinka Joseph P. Bernstein Kevin A. Beyer Lisa M. Gades Thomas E. Kasprzyk Antonino Miceli Richard A. Spence Richard Talaga 《Experimental Astronomy》2011,29(3):135-144
The physical boundaries of a fully-depleted CCD can lead to distorted field lines and non-uniform response. We study this
response with a beam of X-rays constrained to a width of less than one pixel (15
\upmu\upmum), and a system to map the CCD response as a function of transverse position. 相似文献
73.
Huidong Li Bj?rn Claremar Lichuan Wu Christoffer Hallgren Heiner K?rnich Stefan Ivanell Erik Sahlée 《地学前缘(英文版)》2021,12(6):209-222
Accurate wind modeling is important for wind resources assessment and wind power forecasting.To improve the WRF model configuration for the offshore wind modeling over the Baltic Sea,this study per-formed a sensitivity study of the WRF model to multiple model configurations,including domain setup,grid resolution,sea surface temperature,land surface data,and atmosphere-wave coupling.The simu-lated offshore wind was evaluated against LiDAR observations under different wind directions,atmo-spheric stabilities,and sea status.Generally,the simulated wind profiles matched observations,despite systematic underestimations.Strengthening the forcing from the reanalysis data through reducing the number of nested domains played the largest role in improving wind modeling.Atmosphere-wave cou-pling further improved the simulated wind,especially under the growing and mature sea conditions.Increasing the vertical resolution,and updating the sea surface temperature and the land surface infor-mation only had a slight impact,mainly visible during very stable conditions.Increasing the horizontal resolution also only had a slight impact,most visible during unstable conditions.Our study can help to improve the wind resources assessment and wind power forecasting over the Baltic Sea. 相似文献