搜索结果: 1-15 共查到“理学 North American”相关记录26条 . 查询时间(0.108 秒)
Uncovering process domains in large rivers: Patterns and potential drivers of benthic substrate heterogeneity in two North American riverscapes
rivers North American benthic
2021/7/23
Identifying and understanding functional process domains (sensu Montgomery, 1999) in rivers is paramount for linking the physical habitat template to ecosystem structure and function.
Winter Road Salt,Fertilizers Turning North American Waterways Increasingly Saltier（图）
Winter Road Salt Fertilizers Turning North American Waterways Increasingly Saltier
2018/1/10
Across North America, streams and rivers are becoming saltier, thanks to road deicers, fertilizers and other salty compounds that humans indirectly release into waterways. At the same time, freshwater...
2016 North American Particle Accelerator Conference (NAPAC16)
Particle Accelerator accelerator science and technology
2016/7/21
The North American Particle Accelerator Conference (NAPAC) is held on an 18-month cycle and brings together several hundred experts in all fields of accelerator science and technology. It is the large...
38th Annual Conference of the North American Chapter of the International Group for the Psychology of Mathematics Education (PME-NA 2016)
mathematics education cultura
2016/7/18
The theme of the conference is Sin Fronteras: Questioning Borders with(in) Mathematics Education. This theme is intended to encourage research presentations, discussion, and reflection on the variety ...
Twelve-month, 12 km resolution North American WRF-Chem v3.4 air quality simulation: performance evaluation
Horizontal resolution the simulation of the air pollution in the chemical chemical transfer mode the mechanism of atmospheric chemistry modal aerosol dynamics model
2015/5/18
We present results from and evaluate the performance of a 12-month, 12 km horizontal resolution year 2005 air pollution simulation for the contiguous United States using the WRF-Chem (Weather Research...
North American Plate Shattered Speed Records -- a Billion Years Ago
North American Plate Shattered Speed Records
2015/3/4
North America traveled in fast company back in its youth.A new study led by Michigan Technological University geophysicist Aleksey Smirnov reveals that 1.1 billion years ago, the North American tecton...
Notes on the morphology of the nervous system of the Carolina Locust, Dissosteira carolina L. [and] North American species of the Genus Sceliphron
Locusts Scheliphron
2015/1/24
Notes on the morphology of the nervous system of the Carolina Locust, Dissosteira carolina L. [and] North American species of the Genus Sceliphron.
The North American Carbon Program Multi-scale Synthesis and Terrestrial Model Intercomparison Project – Part 2: Environmental driver data
The North American Carbon Program Multi-scale Synthesis Terrestrial Model Intercomparison Project – Part 2
2014/12/19
Ecosystems are important and dynamic components of the global carbon cycle, and terrestrial biospheric models (TBMs) are crucial tools in further understanding of how terrestrial carbon is stored and ...
The North American Carbon Program Multi-Scale Synthesis and Terrestrial Model Intercomparison Project – Part 1: Overview and experimental design
North American Carbon Program Multi-Scale Synthesis Terrestrial Model Intercomparison
2014/12/12
Terrestrial biosphere models (TBMs) have become
an integral tool for extrapolating local observations and understanding of land–atmosphere carbon exchange to larger
regions.
North American isoprene influence on intercontinental ozone pollution
North American isoprene intercontinental ozone pollution
2011/2/25
Changing land-use and climate may alter emissions of biogenic isoprene, a key ozone (O3) precursor. Isoprene is also a precursor to peroxy acetyl nitrate (PAN) and thus affects partitioning among oxid...
PTF10nvg: An Outbursting Class I Protostar in the Pelican/North American Nebula
stars formation – stars pre-main sequence
2010/11/15
During a synoptic survey of the North American Nebula region, the Palomar Transient Factory
(PTF) detected an optical outburst (dubbed PTF10nvg) associated with the previously unstudied
flat or risi...
Effects of lightning and other meteorological factors on fire activity in the North American boreal forest: implications for fire weather forecasting
meteorological factors fire activity the North American boreal forest fire weather forecasting
2010/8/16
The effects of lightning and other meteorological factors on wildfire activity in the North American boreal forest are statistically analyzed during the fire seasons of 2000–2006 through an integratio...
Regional-scale geostatistical inverse modeling of North American CO2 fluxes: a synthetic data study
Regional-scale geostatistical North American CO2 fluxes a synthetic data study
2010/8/16
A series of synthetic data experiments is performed to investigate the ability of a regional atmospheric inversion to estimate grid-scale CO2 fluxes during the growing season over North America. The i...
Modelling the impacts of ammonia emissions reductions on North American air quality
ammonia emissions reductions North American air quality
2009/10/9
A unified regional air-quality modelling system (AURAMS) was used to investigate the effects of reductions in ammonia emissions on regional air quality, with a focus on particulate-matter formation. T...
The sensitivity of CO and aerosol transport to the temporal and vertical distribution of North American boreal fire emissions
CO aerosol transport North American boreal fire emissions
2009/9/14
Forest fires in Alaska and western Canada represent important sources of aerosols and trace gases in North America. Among the largest uncertainties when modeling forest fire effects are the timing and...