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NSF awards grants for four new critical zone observatories to study Earth surface processes（图）
living environment zone
2014/3/17
The region between the top of the forest canopy and the base of weathered rock: our living environment and Earth's critical zone.
Performance Evaluation of Four Commercial Optical Particle Counters
Optical Particle Counter Air quality Aerosol Size Distribution
2013/2/27
The performances of four optical particles counters, Aerosol Spectrometer (Grimm 1.108), Enviro Check (Grimm 1.107), DustMonit and ParticleScan, were evaluated in laboratory tests employing monodisper...
Aerosol Optical Properties at Four Sites in Thailand
Erosol Optical Properties Measurements Sunphotometers
2013/2/27
This paper presents column integrated aerosol optical properties including aerosol optical depth (AOD), Angstrom wavelength exponent (α), single scattering albedo (SSA), and size distribution from gro...
Source Apportionment of PM10 in Four Cities of Northeastern China
Source apportionment PM10 Chemical mass balance Cities of northeastern China
2016/3/25
Ambient particulate matter with the aerodynamics diameter less than 10 m (PM10) was sampled in four northeastern
Chinese cities (Shenyang, Anshan, Fushun and Huludao) from August 2001 to Au...
Toxic Cyanobacteria in Four Brazilian Water Supply Reservoirs
Cyanotoxins Cylindrospermopsis Microcystins Microcystis Public Water Supply
2013/3/11
Cyanobacterial blooms have become a worldwide concern due to the production of toxins harmful to humans and animals. In Brazil and worldwide, microcystins are the most frequently found cyanotoxin in w...
Preliminary Meteorological Results of a Four-Dimensional Data Assimilation Technique in Southern Italy
Data Assimilation Short Term Forecast Mesoscale Model Performance
2013/2/26
A four-dimensional data assimilation (FDDA) scheme based on a Newtonian relaxation (or “nudging”) was tested using observational asynoptic data collected at a coastal site in the Central Mediterranean...
Calibration and Simultaneous Monitoring of Soil Water Content and Salinity with Capacitance and Four-electrode Probes
Dielectric probe four-electrode probe calibration salinity water content
2009/2/5
Non-destructive monitoring of soil water content (W) and the electrical conductivity of the soil solution (ECw) has been desired for environmental evaluation and sustainable agriculture. Dielectric pr...
Accumulation and Movement of Four Potentially Toxic Elements in Soils Throughout Five Years, During and After Biosolid Application
Biosolids PTEs accumulation PTEs movement mollisols
2009/1/13
In this research, we have studied the accumulation of four PTEs (Cadmium, copper, lead and zinc) during and after biosolid application, in two soils with different clay content and their eventual move...
Size Distribution of Particulate Polycyclic Aromatic Hydrocarbons in the Diluted Four-stroke Motorcycle Exhausts
particulate matter four-stroke motorcycle emission PAHs particle size distribution carcinogenicity
2016/3/30
Twenty-one polycyclic aromatic hydrocarbons (PAHs) from a four-stroke motorcycle were collected
with a micro-orifice uniform deposit impactor and measured in size-segregated particulate samples of
0...
A Four-Year Climatology of Total Column Tropical Urban Aerosol, Ozone and Water Vapor Distributions over Pune, India
Aerosols and gases multi-channel solar radiometer optical extinction climatological trends urbanization
2016/3/30
The total column aerosol optical depth, ozone and water vapor using a MICRO-processor based
Total Ozone Portable Spectrometer (MICROTOPS II) and its sun photometer version have been
routinely measur...