搜索结果: 1-15 共查到“理学 seasonal variation”相关记录38条 . 查询时间(0.144 秒)
Spatial and seasonal variation of water parameters, sediment properties, and submerged macrophytes after ecological restoration in a long-term (6 year) study in Hangzhou west lake in China
Hangzhou west lake macrophytes ecological restoration
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2021/7/28
Submerged macrophyte restoration is the key stage in the reestablishment of an aquatic ecosystem.
Seasonal Variation of Pelagic Fish Catch Around Java
Seasonal Variation Pelagic Fish Catch Around Java
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2015/7/28
We present data on the seasonal variability of small pelagic fish catches and their relation to the coastal processes responsible for them around the island of Java. This study uses long fish-catch re...
Seasonal variation of isoprene basal emission in mature Quercus crispula trees under experimental warming of roots and branches
isoprene biogenic volatile emission Quercus crispula experimental warming
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2017/4/11
Isoprene is a reactive volatile organic compound (VOC), the annual global biogenic emissions of which are the largest
of the non-methane VOC. Since isoprene emissions are partly temperature-driven, u...
Seasonal Variation and Sources of Polycyclic Aromatic Hydrocarbons (PAHs) in Indoor and Outdoor Air in a Semi Arid Tract of Northern India
Indoor and outdoor air Gas/Particulate PAHs Seasonality Toxic assessment Source apportionment
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2016/3/25
PAHs concentration in particulate and gas phase was investigated in indoor and outdoor air of urban residential and
roadside homes in a semiarid region of India. Samples were collected during winter ...
Seasonal Variation and Sources of Heavy Metals in Atmospheric Aerosols in a Residential Area of Ulsan, Korea
Temporal variation PM2.5 PM10 Heavy metals Source identification
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2016/3/28
This study investigated seasonal variations in mass concentrations of particulate matter (PM) and compositions of heavy
metals in PM2.5 and PM10 collected from a typical urban residential area in Uls...
DIURNAL AND SEASONAL VARIATION OF MEASURED ATMOSPHERIC CO2 AT DEHRADUN DURING 2009
Carbon Dioxide photosynthesis soil respiration Net Ecosystem Productivity Net primary Productivity Indian summer monsoon
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2014/5/6
Atmospheric carbon dioxide (CO2) is the major greenhouse gas. We analysed the diurnal trend and seasonal variations of atmospheric Carbon Dioxide (CO2) measured at Dehradun during 2009. The measuremen...
Seasonal variation of radon concentrations in atmospheric air in the Nowa Ruda area (Sudety Mountains) of southwest Poland
utdoor radon seasonal and spatial variations
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2017/4/12
Atmospheric radon concentrations were monitored from autumn 2004 to winter 2007 in an abandoned coal mining
area of SW Poland that contained various bedrock uranium contents, ranging from 1 to 8 ppm....
Sources of light-absorbing aerosol in arctic snow and their seasonal variation
light-absorbing aerosol arctic snow seasonal variation
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2010/11/30
Two data sets consisting of measurements of light absorbing aerosols (LAA) in arctic snow together with suites of other corresponding chemical constituents are presented; the first from Siberia, Green...
Seasonal variation and spatial distribution of carbonaceous aerosols in Taiwan
Seasonal variation spatial distribution carbonaceous aerosols Taiwan
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2010/10/21
To investigate the physico-chemical properties of aerosols in Taiwan, an observation network was initiated in 2003. In this work, the measurements of the mass concentration and carbonaceous compositio...
Study on the Seasonal Variation and Source Apportionment of PM10 in Harbin, China
Atmospheric particles Seasonal variation Enrichment factor Source apportionmen
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2016/3/29
The atmospheric respirable particulate matter (PM10) from four typical districts of Harbin was collected in four seasons.
By analyzing the samples, we got the spatial distribution and seasonal variat...
Seasonal Variation and Source Apportionment of Atmospheric Carbonyl Compounds in Urban Kaohsiung, Taiwan
Carbonyl compounds Seasonal variation Receptor model PCA APCS
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2016/3/29
The concentrations of 18 atmospheric carbonyls species were measured at Nan-Chie and Hsiung-Kong sites in
Kaohsiung City, Taiwan, during the summer and winter of 2006. Formaldehyde and acetaldehyde w...
Seasonal variation of aliphatic amines in marine sub-micrometer particles at the Cape Verde islands
aliphatic amines marine sub-micrometer particles Cape Verde islands
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2009/12/31
Monomethylamine (MA), dimethylamine (DMA) and diethylamine (DEA) were detected at non-negligible concentrations in sub-micrometer particles at the Cap Verde Atmospheric Observatory (CVAO) located on t...
Measuring and modelling seasonal variation of gross nitrification rates in response to long-term fertilisation
seasonal variation gross nitrification rates long-term fertilisation
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2010/1/21
The formation of nitrate (nitrification) in soils is an important process that influences N availability for plant uptake and potential N losses as well. Gross nitrification is an effective measure by...
Study of Latitudinal, Diurnal and Seasonal Variation of Ionospheric Absorption According to Observations of the Riometer Network in Finland
Variation Ionospheric Absorption Observations Riometer Network Finland
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2009/6/16
Study of Latitudinal, Diurnal and Seasonal Variation of Ionospheric Absorption According to Observations of the Riometer Network in Finland.
Seasonal variation in consumption of benthic bacteria by meio- and macrofauna in an intertidal mudflat
Seasonal variation an intertidal mudflat
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2014/4/18
The trophic fate of benthic bacteria in an intertidal mudflat (Brouage, Marennes-Ole′ron, France) was
evaluated in situ, and environmental parameters that potentially influence the consumption of bac...