搜索结果: 121-135 共查到“理学 spring”相关记录158条 . 查询时间(0.698 秒)
The influence of polar vortex ozone depletion on NH mid-latitude ozone trends in spring
polar vortex ozone depletion NH mid-latitude ozone spring
2009/1/13
Reverse domain-filling trajectory calculations have been performed for the years 1993, 1995, 1996, 1997, and 2000 to calculate the spreading of ozone depleted air from the polar vortex to midlatitudes...
The Subarctic and Northern Subtropical Fronts in the Eastern North Pacific Ocean in Spring
Subarctic Eastern North Pacific Ocean Northern Subtropical Fronts
2009/1/10
The subarctic and subtropical frontal zones of the eastern North Pacific Ocean were surveyed in June for five consecutive years starting in 1972. These surveys from the basis for a description of the ...
Regional aerosol optical properties and radiative impact of the extreme smoke event in the European Arctic in spring 2006
Regional aerosol optical properties radiative impact extreme smoke event European Arctic
2008/12/25
In spring 2006 a special meteorological situation occurred in the European Arctic region giving record high levels of air pollution. The synoptic situation resulted in extensive transport of pollution...
Boundary layer concentrations and landscape scale emissions of volatile organic compounds in early spring
boundary layer landscape scale emissions volatile organic compounds
2008/12/5
Boundary layer concentrations of several volatile organic compounds (VOC) were measured during two campaigns in springs of 2003 and 2006. The measurements were conducted over boreal landscapes near SM...
Arctic smoke – record high air pollution levels in the European Arctic due to agricultural fires in Eastern Europe in spring 2006
air pollution levels European Arctic agricultural fires Eastern Europe
2008/11/28
In spring 2006, the European Arctic was abnormally warm, setting new historical temperature records. During this warm period, smoke from agricultural fires in Eastern Europe intruded into the European...
Circumpolar transport and air-surface exchange of atmospheric mercury at Ny-Ålesund (79° N), Svalbard, spring 2002
Circumpolar transport atmospheric mercury Svalbard
2008/11/27
Mercury in different environmental compartments has been measured at Ny-Ålesund (78°54' N, 11°53' E) during an intensive campaign, 17 April to 14 May 2002. Time-resolved speciated determination ...
湖南卷柏属Selaginella Spring资料
卷柏属 分类 新分布 湖南
2008/11/26
报道湖南产的卷柏属植物22种,编了这些种的检索表。其中圆枝卷柏、耳基卷柏、布朗卷柏、毛枝卷柏、硬毛卷柏、疏叶卷柏、地卷柏、缘毛卷柏、峨眉卷柏等9种属湖南新分布。
Detection of regional scale sea-to-air oxygen emission related to spring bloom near Japan by using in-situ measurements of the atmospheric oxygen/nitrogen ratio
sea-to-air oxygen emission spring bloom Japan atmospheric oxygen/nitrogen ratio
2008/11/11
We have been carrying out in-situ monitoring of atmospheric O2/N2 ratio at Cape Ochi-ishi (COI; 43°10' N, 145°30' E) in the northern part of Japan since March 2005 by using a modified gas chromatograp...
Cloud condensation nuclei activity at Jeju Island, Korea in spring 2005
condensation nuclei Jeju Island Korea
2008/11/10
We measured the number concentrations of cloud condensation nuclei (CCN) and the size distributions of CCN/CN (CN: condensation nuclei) ratios at supersaturations (SSs) of 0.097, 0.27, 0.58, and 0.97%...
Shifts in early spring wind regime in North-East Europe （1955–2007）
spring wind regime North-East Europe
2008/10/31
Changes to the winter-to-spring switch-time of the upper air flow regime at the 850 and 500 hPa levels over the north-eastern Baltic Sea are analyzed based on a data set extending from 1955 to 2007. T...
Changes in aerosol properties during spring-summer period in the Arctic troposphere
aerosol properties spring-summer period Arctic troposphere
2008/10/28
The change in aerosol properties during the transition from the more polluted spring to the clean summer in the Arctic troposphere was studied. A six-year data set of observations from Ny-Ålesun...
Impact of Climate Change on Spring Wheat Yield in Yellow River Irrigation Region of Ningxia
Yellow River irrigation region Ningxia climate warming spring wheat
2010/2/21
Temperatures from early March to early July during 1961-2004, at 10 stations in the Yellow River irrigation region of Ningxia were analyzed. The results show that the temperature during the growing se...
On the change of 3He/4He ratios in hot spring gases after The Iwate-Miyagi Nairiku Earthquake in 2008
helium isotopes noble gas earthquake epicenter Japan
2017/8/10
The Iwate-Miyagi Nairiku Earthquake in 2008 (M7.2) occurred on June 14th 2008 in the northeastern Japan, Iwate Prefecture. We collected water and gas samples in hot springs from seven localities aroun...
The onset and evolution of a spring bloom on the Scotian Shelf
a spring bloom Scotian Shelf
2014/4/21
The spring bloom on the Scotian Shelf is examined using a mooring array deployed from 18 March 2002 to 18
April 2002 to provide physical, chemical, and biological measurements with high temporal and ...
Diel carbon monoxide cycling in the upper Sargasso Sea near Bermuda at the onset of spring and in midsummer
Diel carbon monoxide cycling the upper Sargasso Sea Bermuda spring in midsummer
2014/4/21
Rapid bio-oxidation of carbon monoxide (CO), a photoproduct of dissolvedorganic matter, results in diel cycles reflecting photochemical–biogeochemical–physical interactions. These cycles were characte...