搜索结果: 46-60 共查到“理学 migration”相关记录99条 . 查询时间(0.178 秒)
Migration from tabular to spatial data analysis techniques for water management in Idaho
Migration tabular spatial data analysis techniques water management
2009/12/7
The State of Idaho has insufficient water supplies in many basins. Competition for water has spawned a complex system of administering water rights. Administration of water rights has historically bee...
MIGRATION OF CONTAMINANTS IN GROUNDWATER AT A LANDFILL SITE, NIGERIA
MIGRATION OF CONTAMINANTS IN GROUNDWATER LANDFILL SITE
2009/10/19
The risk of groundwater pollution is regarded as the principal impact of the disposal of waste on land. In examining this problem, geophysical and geochemical studies were carried out at a solid waste...
NUMERICAL SIMULATION OF FLOW AND CONTAMINANT MIGRATION AT A MUNICIPAL LANDFILL
NUMERICAL SIMULATION MUNICIPAL LANDFILL FLOW AND CONTAMINANT MIGRATION
2009/10/13
The flow and transport characteristics of the Ano Liosia Landfill site in Athens, Greece, were simulated by numerical methods using groundwater flow and contaminant transport models. A methodology for...
Electrical Imaging of Saline Tracer Migration for the Investigation of Unsaturated Zone Transport Mechanisms
Saline Tracer Migration Unsaturated Zone Transport Mechanisms
2009/6/8
Better understanding of field-scale unsaturated zone transport mechanisms is required if the fate of contaminants released at the surface is to be predicted accurately. Interpretation of results from...
The pulsed migration of hydrocarbons across inactive faults
fault rock Geological fault zones buoyancy force
2009/5/26
Geological fault zones are usually assumed to influence hydrocarbon migration either as high permeability zones which allow enhanced along- or across-fault flow or as barriers to the flow. An additio...
Geography, Islands and Migration in an Era of Global Mobility
geography globalization interdisciplinarity island studies islands Malta migration mobility
2010/9/13
This paper examines the changing role of islands in the age of globalization and in an era of enhanced and diversified mobility. There are many types of islands, many metaphors of insularity, and many...
UV-enhanced fish predation and the differential migration of zooplankton in response to UV radiation and fish
UV-enhanced fish predation zooplankton
2014/4/18
The intensity and spectral composition of visible light are known to influence fish predation on zooplankton.
However, in clear-water systems, ultraviolet (UV) radiation (UVR) may also influence fish...
Nocturnal light and lunar cycle effects on diel migration of micronekton
lunar cycle effects Nocturnal light
2014/4/17
The roles of nocturnal light and lunar phase in the diel migration of micronekton from a nearshore scattering
layer were examined. Migration patterns were measured over six complete lunar cycles usin...
Diel vertical migration of the deep-water jellyfish Periphylla periphylla simulated as individual responses to absolute light intensity
he deep-water jellyfish Periphylla periphylla simulated absolute light intensity
2014/4/17
We evaluate the hypothesis that the vertical migration of Periphylla periphylla is governed by its sensitivity to
light intensity. By applying an individual-based model where random walk is combined ...
A theory for the vertical migration speed (e) of interfaces within thermohaline staircases is developed and illustrated with several oceanic examples. It expresses e in terms of layer-to-layer variati...
Response of the Eastern Tropical Pacific to Meridional Migration of the ITCZ：The Generation of the Costa Rica Dome
Eastern Tropical Pacific Meridional Migration Costa Rica Dome
2008/12/23
A regional ocean circulation model with fine horizontal resolution has been developed in order to obtain a coherent seasonal picture of the eastern tropical Pacific off Central America.
The Costa R...
In this study a scenario is developed of two adjacent Mediterranean Water eddies (meddies) as they were observed merging and drifting through the Iberian Basin. Observations are based on four RAFOS fl...
Destruction of the Inertial Recirculation by the Annual Wind Migration
Inertial Recirculation Annual Wind Migration
2008/12/3
The effect of annual wind migration on the inertial recirculation is investigated using quasigeostrophic models. It is found that recirculation cells can he suppressed significantly by the wind migrat...
The spatial dynamics of vertical migration by Microcystis aeruginosa in a eutrophic shallow lake: A case study using high spatial resolution time-series airborne remote sensing
The spatial dynamics of vertical migration Microcystis aeruginosa in a eutrophic shallow lake A case study using high spatial resolution time-series airborne remote sensing
2014/4/21
Time-series airborne remote sensing was used to monitor diurnal changes in the spatial distribution of a bloom of the potentially toxic cyanobacterium Microcystis aeruginosa in the shallow eutrophic w...
Diel periodicity in both sei whale vocalization rates and the vertical migration of their copepod prey observed from ocean gliders
Diel periodicity both sei whale vocalization rates the vertical migration their copepod prey observed ocean gliders
2014/5/16
The daily activity cycles of marine predators may be dictated in large part by the timing of prey availability. For example, recent studies have observed diel periodicity in baleen whale vocalization ...