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Significant variations of trace gas composition and aerosol properties at Mt. Cimone during air mass transport from North Africa – contributions from wildfire emissions and mineral dust
trace gas composition North Africa wildfire emissions mineral dust
2009/7/22
High levels of trace gas (O3 and CO) and aerosol (BC, fine and coarse particle volumes), as well as high scattering coefficient (σp) values, were recorded at the regional GAW-WMO station of Mt. Cimone...
Relationships between size-fractionated indoor and outdoor trace elements at four retirement communities in southern California
size-fractionated indoor outdoor trace elements four retirement communities southern California
2009/7/22
Indoor and outdoor water soluble trace elements (TEs) were analyzed on quasi-ultrafine (UF), accumulation, and coarse PM filter samples collected at four retirement communities, three located in the S...
Constraints on the Origin of the Balıkesir Thermal Waters (Turkey) from Stable Isotope (d18O, dD, d13C, d34S) and Major-Trace Element Compositions
water-rock interaction stable isotope compositions major-trace element geochemistry Balı kesir thermal waters Turkey
2009/7/7
The Balıkesir thermal waters in northwestern Turkey have discharge temperatures in the range of 31.8-98.5 ºC, near neutral pH values of 6.40 to 8.40 and TDS contents between 327 and 2578 mg/...
Trace Fossils of the Upper Eocene-Lower Oligocene Transition of the Manipur, Indo-Myanmar Ranges (Northeast India)
ichnological analysis Upper Eocene-Lower Oligocene Disang and Barail groups Manipur India
2009/7/7
A detailed ichnological analysis, for the first time, has been preformed on Upper Eocene-Lower Oligocene Transition of Manipur, Indo-Myanmar Ranges (Northeast India). Previous trace fossil analyses in...
The benefit of limb cloud imaging for infrared limb sounding of tropospheric trace gases
limb cloud imaging infrared limb sounding tropospheric trace gases
2010/2/8
Advances in detector technology enable a new generation of infrared limb sounders to measure 2-D images of the atmosphere. A proposed limb cloud imager (LCI) mode will detect clouds with a spatial res...
An Analysis of Helsinki Air 1962 to 1977 Based on Trace Metals and Radionuclides
Helsinki Air Trace Metals Radionuclides
2009/6/15
An Analysis of Helsinki Air 1962 to 1977 Based on Trace Metals and Radionuclides.
Major, minor and trace element composition of cloudwater and rainwater at Plynlimon
cloudwater rainwater Plynlimon
2009/6/8
The composition of cloudwater samples collected at Plynlimon, Mid Wales by the Institute of Hydrology is described based on one of the most comprehensive chemical records for deposition in the UK. Com...
Methodology and calibration for continuous measurements of biogeochemical trace gas and O2 concentrations from a 300-m tall tower in central Siberia
Methodology calibration continuous measurements biogeochemical trace gas O2 concentrations
2010/2/8
We present an integrated system for measuring atmospheric concentrations of CO2, O2, CH4, CO, and N2O in central Siberia. Our project aims to demonstrate the feasibility of establishing long-term, con...
Influence of modelled soil biogenic NO emissions on related trace gases and the atmospheric oxidizing efficiency
modelled soil biogenic NO emissions trace gases atmospheric oxidizing efficiency
2009/5/6
The emission of nitric oxide (NO) by soils (SNOx) is an important source of oxides of nitrogen (NOx=NO+NO2) in the troposphere, with estimates ranging from 4 to 21 Tg of nitrogen per year. Previous st...
Solar Flare Physics Enlivened by TRACE and RHESSI
Solar flares particle acceleration hard X-rays
2009/5/6
The Transition Region and Coronal Explorer (TRACE) gave us
the highestEUVspatial resolution and the Ramaty High Energy Solar Spectrometric
Imager (RHESSI) gave us the highest hard X-ray and gammara...
An automated dynamic chamber system for surface exchange measurement of non-reactive and reactive trace gases of grassland ecosystems
dynamic chamber system surface exchange measurement grassland ecosystems
2010/1/19
We present an automated dynamic chamber system which is optimised for continuous unattended flux measurements of multiple non-reactive and reactive trace gases on grassland ecosystems. Main design fea...
The use of disjunct eddy sampling methods for the determination of ecosystem level fluxes of trace gases
disjunct eddy sampling methods ecosystem level fluxes trace gases
2009/3/13
The concept of disjunct eddy sampling (DES) for use in measuring ecosystem-level micrometeorological fluxes is re-examined. The governing equations are discussed as well as other practical considerati...
Characteristics of trace gaseous pollutants at a regional background station in Northern China
trace gaseous pollutants regional background station Northern China
2009/3/13
Measurements of trace gaseous pollutants were taken at the Shangdianzi site, a WMO Global Atmosphere Watch (GAW) background station in Northern China. The results are presented for the period from Sep...
Simulation of trace gas redistribution by convective clouds - Liquid phase processes
Simulation of trace gas convective clouds - Liquid phase processes
2009/3/12
A two-dimensional dynamic cloud model with detailed microphysics and a spectral treatment of gas scavenging was used to simulate trace gas vertical redistribution in precipitating continental and mar...
Redistribution of trace gases by convective clouds - mixed-phase processes
trace gases convective clouds mixed-phase processes
2009/3/12
The efficiency of gas transport to the free and upper troposphere in convective clouds is investigated in an axisymmetric dynamic cloud model with detailed microphysics. In particular, we examine the ...