搜索结果: 1-4 共查到“理学 long-term monitoring”相关记录4条 . 查询时间(0.14 秒)
New Insights into the Hydrogeology of the Oceanic Crust through Long-Term Monitoring
Hydrogeology Oceanic Crust Long-Term Monitoring
2015/7/24
The hydrogeology of the oceanic crust influences numerous global processes and properties, including the thermal evolution of oceanic lithosphere, crustal alteration and the chemistry of crustal fluid...
Optical and Near-IR long-term monitoring of NGC3783 and MR2251-178: evidence for variable near-IR emission from thin accretion discs
Seyfert galaxies:general — Seyfert galaxies:individual(NGC 3783,MR 2251-178)
2011/9/26
We present long term near-IR light curves for two nearby AGN: NGC3783 and MR2251-178. The near-IR data are complemented with optical photometry obtained over the same period of time. The light curves ...
Optical and Near-IR long-term monitoring of NGC3783 and MR2251-178: evidence for variable near-IR emission from thin accretion discs
Seyfert galaxies:general ?Seyfert galaxies:individual
2011/8/24
We present long term near-IR light curves for two nearby AGN: NGC3783 and MR2251-178. The near-IR data are complemented with optical photometry obtained over the same period of time.
Importance of long-term monitoring for detecting environmental change:lessons from a lowland river in south east England
long-term monitoring environmental change lowland river south east England
2010/1/18
Rising nitrate concentrations in rivers and groundwater in regions with intensive agriculture have been of concern for several decades. Long records of nitrate concentration are rare; in the UK, few p...
