搜索结果: 1-15 共查到“理学 Equatorial”相关记录247条 . 查询时间(0.125 秒)
Researchers have uncovered a critical connection between winds at Earth's equator and atmospheric waves 6,000 miles away at the South Pole.The U.S. National Science Foundation-funded team has fou...
Coral reefs shifting away from equatorial waters（图）
Coral reefs shifting equatorial waters
2019/10/23
Coral reefs are retreating from equatorial waters and establishing new reefs in more temperate regions, according to NSF-funded research published in the journal Marine Ecology Progress Series. Scient...
Imaging of the equatorial ionosphere
atmosphere electromagnetic methods remote sensing tomography data processing GPS TEC
2015/9/10
The equatorial anomaly is the dominant structure in free electron concentration in the tropical ionosphere. Due
to its edges (crests) which are characterised by steep latitudinal gradients in TEC and...
Evaluation of soil thermal diffusivity algorithms at two equatorial sites in West Africa
Thermal diffusivity Soil temperature Soil moisture content West Africa
2015/8/18
This study presents comparisons between six algorithms used in the calculation of apparent thermal diffusivity (Kh) of the topsoil during measurement campaigns conducted at two equatorial sites. It fu...
Satellites Reveal the Influence of Equatorial Currents and Tropical Instability Waves on the Drift of the Kon-Tiki in the Pacific
Equatorial Currents Tropical Instability Waves
2015/7/29
A raft drifting on the ocean is at the mercy of the elements. When a sailor describes this experience, one begins to understand the meaning of "in situ," of being in touch with the water. The senses f...
EASTERN EQUATORIAL PACIFIC PRODUCTIVITY VIA TWO GEOCHEMICAL PROXIES
geochemistry nutrient cycling phosphorus
2015/1/16
Drivers that influence oceanic productivity are not clearly constrained. However, sea level changes during glacial cycles have been proposed as a potential driver for productivity variations observed ...
PALEOPRODUCTIVITY VARIATIONS IN THE EASTERN CENTRAL EQUATORIAL PACIFIC OCEAN ON GLACIAL TIMESCALES
Nutrients Phosphorus Cycle Glacial-Interglacial Sea Level
2015/1/16
Paleoproductivity records during the late Pleistocene are sparse. The equatorial Pacific and the Southern Ocean are collectively responsible for the majority of the new production in the oceans. The n...
Paleoceanography of the South China Sea and the western equatorial Pacific: Testing linkages between Indonesian Seaway closure and sea level change during the Middle to Late Miocene (～13--5 Ma)
Paleoceanography the equator the equator of the south China sea west Pacific sea level climate change
2014/10/22
The tectonic opening and closing of ocean gateways played a key role in global climate change during the Cenozoic. Although changes in these gateways affected ocean circulation and heat transport, man...
Enrichment of particulate phosphorus in a sea-surface microlayer over the Eastern Equatorial Pacific Ocean
sea-surface microlayer biogeochemical enrichment particulate phosphorus high-nutrient low-chlorophyll ocean
2017/4/11
The significant enrichment of chemical composition associated with enhanced bioactivities and an increased number
of bio-particles in the sea-surface microlayer (SML) were observed in the high-nutrie...
Geochemistry and Geochronology of Peraluminous High-K Granitic Leucosomes of Yaoundé Series (Cameroon): Evidence for a Unique Pan-African Magmatism and Melting Event in North Equatorial Fold Belt
Pan-African North-Equatorial Fold Belt Yaoundé Series
2013/3/8
Geochemical and geochronological studies have been carry out on the leucosomes of Yaoundé series with the aims to identify the magma sources and to indicate their production periods and emplacement wi...
The general circulation model precipitation bias over the southwestern equatorial Indian Ocean and its implications for simulating the South Asian monsoon
General circulation models South Asian monsoon Sea surface temperature gradient Precipitation SEA-SURFACE TEMPERATURE BOUNDARY-LAYER WINDS SUMMER MONSOON TROPICAL OCEANS SST GRADIENTS GLOBAL PRECIPITATION VARIABILITY ATMOSPHERE RAINFALL PREDICTABILITY
2014/5/20
Most of current general circulation models (GCMs) show a remarkable positive precipitation bias over the southwestern equatorial Indian Ocean (SWEIO), which can be thought of as a westward expansion o...
The influence of biomass burning and transport on tropospheric composition over the tropical Atlantic Ocean and Equatorial Africa during the West African monsoon in 2006
biomass burning and transport tropospheric composition the tropical Atlantic Ocean and Equatorial Africa the West African monsoon
2010/10/21
Biomass burning (BB) in southern Africa is the largest emission source of CO and O3 precursors within Africa during the West African Monsoon (WAM) between June and August. The long range transport and...
Be stars are thought to be fast rotating stars surrounded by an equatorial disc. The formation, structure and evolution of the disc are still not well understood. In the frame of single star models, i...
Response of tropical stratospheric O3, NO2 and NO3 to the equatorial Quasi-Biennial Oscillation and to temperature as seen from GOMOS/ENVISAT
tropical stratospheric O3, NO2 and NO3 the equatorial Quasi-Biennial Oscillation temperature GOMOS/ENVISAT
2010/9/21
Quasi-Biennial Oscillation signals can be found in the evolution of the three constituents up to at least 40 km. We found that NO3 is positively correlated with temperature up to 45 km in the region w...
Contribution of picophytoplankton to carbon export in the equatorial Pacific: A reassessment of food web flux inferences from inverse models
Contribution of picophytoplankton equatorial Pacific
2014/4/17
The paradigm that carbon export is derived almost exclusively from the primary production of large
phytoplankton has been challenged by inverse ecosystem modeling studies that suggest that most carbo...