搜索结果: 1-15 共查到“环境科学技术 changes”相关记录17条 . 查询时间(0.151 秒)
Rising tundra temperatures lead to changes in microbial communities（图）
Rising tundra temperatures lead changes microbial communities
2019/10/23
Rising temperatures in the tundra of northern latitudes could affect microbial communities in ways likely to increase their production of the greenhouse gases methane and carbon dioxide, a new study o...
Ecohydrologic Impacts of Climate and Land Use Changes on Watershed Systems: A Multi-Scale Assessment for Policy
Ecohydrology Hydrograph Land use Watershed
2014/11/12
Maintaining flows and quality of water resources is critical to support ecosystem services and consumptive needs. Understanding impacts of changes in climate and land use on ecohydrologic processes in...
Vegetation succession and environmental changes in Central India during Early Cenozoic
Deccan Intertrapps vegetational reconstructions Vidharbha-Chhindwara Mandla-Dindori region (Central India) early Tertiary
2014/1/16
In order to infer the climate and the floral changes during the early Cenozoic of central India, a critical analysis has been made of the generic composition of Deccan Intertrappean series of India, w...
Changes in Epipelic Diatom Diversity from the Savannah River Estuary
Epipelic Diatoms Brackish Water Savannah River
2013/3/9
Littoral zones can be characterized with temporal exposure of algae to diurnal desiccation at low tides. Combinations of diverse freshwater, marine, and brackish diatoms dominate exposed mud samples. ...
Assessment of Environmental Changes in the Iraqi Marshes by Index of Biological Integrity
IBI Nature Iraq Marshes Aquatic Ecology
2013/3/11
Preventing water flow through the marshes in southern Iraq was a policy of the previous regime in Iraq during 1990’s. This phenomena lead to tremendous structural changes in ecosystems, however after ...
The Effects of Precursor Emission and Background Concentration Changes on the Surface Ozone Concentration over Korea
Ozone Low-pass KZ-filter Emission effect OZIPR Long range transport
2016/3/28
The meteorologically adjusted long term variations of the surface ozone concentrations over 6 major cities in Korea were
determined by using the low-pass Kolmogorov and Zurbenko (KZ)-filter and multi...
Changes in Climate Parameters at Wakkanai Area, Which is Located at Most Northern Part in Japan
Wakkanai Global Warming Air temperature Velocity
2013/3/11
We evaluated the climate change in Wakkanai area, which is located at most northern part and typically rural area in Japan. Climate parameters i.e. atmospheric pressure, air temperature, humidity, vel...
Changes in Air Temperatures on Mount Fuji, Japan
Air Temperature Mount Fuji Global Warming
2013/2/26
The changes in air temperatures on Mount (Mt.) Fuji, Japan were evaluated. Various parameters of air temperatures on Mt Fuji in Japan were obtained from Japan Metrological Agency. Parameters of air te...
Downstream Changes on a Tropical Fish Community Structure by Effluent from Wood Processing Factory
Fish Community Fish Composition and Abundance Diet ChangesP Length-Weight Relationship Reproductive Biology
2013/3/12
In order to plan a management programme for ensuring maximum production of fish in Cross River, impacted downstream changes in the fish community structure by effluents from wood processing industry, ...
Changes in the near-surface soil freeze-thaw cycle on the Qinghai-Tibetan Plateau
Freeze–thaw cycle Permafrost Qinghai-Tibetan Plateau Mountain cryosphere Climate warming Microwave remote sensing Trend analysis
2013/9/2
Changes in the near-surface soil freeze–thaw cycle on the Qinghai-Tibetan Plateau (QTP) were detected using daily soil freeze/thaw states derived from Special Sensor Microwave/Im...
Exposure to Oil during Meiosis Results in Alterations in Meiotic Chromosomes that are Similar to Age-Related Changes in the Nematode Caenorhabditis elegans
Oil Age Chromosome Synaptonemal Complex
2013/3/13
Exposure of young C. elegans nematodes to three different concentrations of oil resulted in changes in the meiotic chromosomes, nucleus, nucleolus, and nuclear envelope associations. Such alterations ...
Distributions and diurnal changes of low molecular weight organic acids and α-dicarbonyls in suburban aerosols collected at Mangshan, North China
dicarboxylic acids ketoacids α-dicarbonyls anthropogenic and biogenic emissions secondary organic aerosols
2017/8/9
Aerosol samples were collected at Mangshan in the north of Beijing, China in autumn 2007 and analyzed for α, ω-dicarboxylic acids (C2-C12), ketoacids (ωC2- ωC4, ωC9, pyruvic acid) and α-dicarbonyls (g...
Water content changes along shear planes in drained and undrained triaxial compression tests on unsaturated cohesive soils
Water content drained and undrained shear triaxial compression tests failure plane
2009/10/14
Drained and undrained triaxial compression tests were run on undisturbed samples of two unsaturated cohesive soils to study water content changes in drained and undrained conditions along shear planes...
The Second International Conference on Earth Observation for Global Changes (EOGC2009)（第二届全球变化地球观测国际会议）
第二届 全球变化 地球观测 国际会议
2009/4/17
The Earth environment has always been affected by change, since all forces interacting to shape world landscapes are intrinsically dynamic. However, the pace of change varies widely between processes...
Observed Abrupt Changes in Minimum and Maximum Temperatures in Jordan in the 20th Century
Jordan abrupt changes trends
2009/3/19
This study examines changes in annual and seasonal mean (minimum and maximum) temperatures variations in Jordan during the 20th century. The analyses focus on the time series records at the Amman Airp...