搜索结果: 16-29 共查到“理学 Mass balance”相关记录29条 . 查询时间(0.125 秒)
The equilibrium flow and mass balance of the Taku Glacier,Alaska 1950–2006
equilibrium flow mass balance Taku Glacier
2010/2/4
The Taku Glacier, Alaska has advanced 7.5 km since the late nineteenth century, while all other primary outlet glaciers of the Juneau Icefield are in retreat. The Juneau Icefield Research Program has ...
Glacier mass balance reconstruction by sublimation induced enrichment of chemical species on Cerro Tapado （Chilean Andes）
glacier mass chemical species Cerro Tapado
2008/11/10
A 36 m long ice core down to bedrock from the Cerro Tapado glacier (5536 m a.s.l, 30°08' S, 69°55' W) was analyzed to reconstruct past climatic conditions for Northern Chile. Because of the marked se...
Estimation of the Greenland ice sheet surface mass balance for the 20th and 21st centuries
Estimation Greenland ice sheet surface mass balance 21st centuries
2010/2/4
Results from a regional climate simulation (1970–2006) over the Greenland ice sheet (GrIS) reveals that more than 97% of the interannual variability of the modelled Surface Mass Balance (SMB) can be e...
Arbitrary scaling in ISOCON method of geochemical mass balance: An evaluation of the graphical approach
least squares regression volume factor alteration mass balanc
2017/8/10
Rock alteration processes can be studied through geochemical Mass Balance (MB) estimation in several ways. Due to the ease of its adaptability, especially its graphical approach, the ISOCON method of ...
Reconstruction of the 1979–2006 Greenland ice sheet surface mass balance using the regional climate model MAR
Reconstruction Greenland ice sheet surface mass balance regional climate model MAR
2010/2/4
Results from a 28-year simulation (1979–2006) over the Greenland ice sheet (GrIS) reveal an increase of solid precipitation (+0.4±2.5 km3 yr−2) and run-off (+7.9±3.3 km3 yr−2) of surface m...
A standard protocol for stable isotope analysis of zooplankton in aquatic food web research using mass balance correction models
stable isotope analysis zooplankton
2014/4/22
Stable isotope analysis has become a crucial tool for aquatic food web ecologists, but a lack of methodological
standardization hinders comparisons between studies. One methodological inconsistency i...
Source Apportionment of Air Particulate Matter by Chemical Mass Balance (CMB) and Comparison with Positive Matrix Factorization (PMF) Model
Chemical mass balance (CMB) Source Apportionment Positive matrix factorization (PMF) PIXE PM10-2.2 PM2.2
2016/3/30
The Chemical Mass Balance (CMB) model is one of several receptor models that have been
applied to air quality management. This model quantifies contributions using chemical signatures
characterizing...
Chemical stratification in thermally stratified lakes: A chloride mass balance model
Chemical stratification thermally stratified lakes A chloride mass balance model
2014/5/8
In thermally stratified lakes, nutrient-enriched hypolimnion and a nutrient-depleted epilimnion is a common feature. Vertical mixing between these layers affects geochemical and biological processes. ...
Modeling the mass balance and fate of copper in San Diego Bay
mass balance fate copper San Diego Bay
2014/5/14
Because of its presence in antifouling coatings, stormwater, and industrial and municipal discharges, copper is a ubiquitous contaminant in estuarine and coastal environments. We integrated a system-w...
Phytoplankton production in a large, regulated river: A modeling and mass balance assessment
regulated rive Phytoplankton production
2014/5/21
Phytoplankton production in riverine systems is regulated by hydrologic processes and coupled optical dynamics,
which determine the light dosages experienced by phytoplankton during transit within a ...
Mass balance of heavy metals in New Haven Harbor, Connecticut: Predominance of nonpoint sources
heavy metals New Haven Harbor
2014/5/30
A mass balance was constructed quantifying all known sources and sinks for the metals Ag, Cd, Cu, and Pb in
New Haven Harbor, Connecticut, USA. Sources included direct atmospheric deposition, rivers,...
DOC cycling in a temperate estuary: A mass balance approach using natural 14C and 13C isotopes
DOC cycling temperate estuary A mass balance approach natural 14C 13C isotopes
2014/6/9
We measured dissolved organic carbon (DOC), dissolved inorganic carbon (DIC), and their corresponding del14C and del13C values in order to study the sources and fates of DOC in the York River Estuary ...
Comparison of Four Elemental Mass Balance Methods for Clay Mineral Quantification
Elemental mass balance Marquardt algorithm Non-linear models Numerical optimization Quantification
2011/12/29
The quantification of the relative mineralogical composition of clay mixtures by powder X-ray diffraction or chemical mass balance methods has been severely hampered by a lack of representative standa...
Estimation of Clay Proportions in Mixtures by X-Ray Diffraction and Computerized Chemical Mass Balance
Chemical mass balance Chlorite Kaolinite Quantitative mineralogy Smectite Vermiculite X-ray powder diffraction
2011/11/25
Abstract: As part of a laboratory study of the hydrothermal alteration of kimberlite, a mass balance procedure has been developed for estimating the relative proportions of synthetic phyllosilicate ph...