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Researchers show emissions from forests influence very first stage of cloud formation
emissions from forests influence first stage cloud formation
2014/6/12
PITTSBURGH—Clouds play a critical role in Earth's climate. Clouds also are the largest source of uncertainty in present climate models, according to the latest report of the Intergovernmental Panel on...
Global distributions of methanol and formic acid retrieved for the first time from the IASI/MetOp thermal infrared sounder
formic acid the IASI/MetOp thermal infrared sounder
2011/2/24
Methanol (CH3OH) and formic acid (HCOOH) are among the most abundant volatile organic compounds present in the atmosphere. In this work, we derive the global distributions of these two organic species...
Novel method of generation of Ca(HCO3)2 and CaCO3 aerosols and first determination of hygroscopic and cloud condensation nuclei activation properties
Ca(HCO3)2 and CaCO3 aerosols hygroscopic and cloud condensation nuclei activation properties
2010/9/21
Atmospheric mineral aerosols contain CaCO3 as a reactive component. A novel method to produce CaCO3 aerosol was developed by spraying Ca(HCO3)2 solution, which was generated from a CaCO3 suspension an...
A new method for deriving aerosol solar radiative forcing and its first application within MILAGRO/INTEX-B
aerosol solar radiative forcing first application MILAGRO/INTEX-B
2010/8/25
We introduce a method for deriving aerosol spectral radiative forcing along with single scattering albedo, asymmetry parameter, and surface albedo from airborne vertical profile measurements of shortw...
First ground-based FTIR observations of methane in the inner tropics over several years
First ground-based FTIR observations methane the inner tropics
2010/8/16
Total column concentrations of methane have been retrieved from ground-based solar absorption FTIR spectra in the near-infrared recorded in Paramaribo (Suriname). The methane FTIR observations are com...
The Arctic Research of the Composition of the Troposphere from Aircraft and Satellites (ARCTAS) mission: design, execution, and first results
the Troposphere Aircraft and Satellites (ARCTAS) mission first results
2010/8/13
The NASA Arctic Research of the Composition of the Troposphere from Aircraft and Satellites (ARCTAS) mission was conducted in two 3-week deployments based in Alaska (April 2008) and western Canada (Ju...
First climatology of polar mesospheric clouds from GOMOS/ENVISAT stellar occultation instrument
polar mesospheric clouds GOMOS/ENVISAT stellar occultation instrument climatology
2010/8/12
GOMOS (Global Ozone Monitoring by Occultation of Stars), on board the European platform ENVISAT launched in 2002, is a stellar occultation instrument combining four spectrometers and two fast photomet...
First multi-year occultation observations of CO2 in the MLT by ACE satellite: observations and analysis using the extended CMAM
multi-year occultation MLT ACE satellite CMAM
2010/2/21
This paper presents the first global set of observations of CO2 in the mesosphere and lower thermosphere (MLT) obtained by the ACE-FTS instrument on SCISAT-I, a small Canadian satellite launched in 20...
First remote sensing measurements of ClOOCl along with ClO and ClONO2 in activated and deactivated Arctic vortex conditions using new ClOOCl IR absorption cross sections
ClOOCl Arctic vortex conditions ClOOCl IR
2010/2/21
Active chlorine species play a dominant role in the catalytic destruction of stratospheric ozone in the polar vortices during the late winter and early spring seasons. Recently, the correct understand...
Technical Note: Harmonized retrieval of column-integrated atmospheric water vapor from the FTIR network – first examples for long-term records and station trends
Harmonized retrieval column-integrated atmospheric water vapor FTIR network
2009/12/3
We present a method for harmonized retrieval of integrated water vapor (IWV) from existing, long-term, measurement records at the ground-based mid-infrared solar FTIR spectrometry stations of the Netw...
NOx production by lightning in Hector: first airborne measurements during SCOUT-O3/ACTIVE
lightning Hector SCOUT-O3/ACTIVE
2009/11/19
During the SCOUT-O3/ACTIVE field phase in November–December 2005, airborne in situ measurements were performed inside and in the vicinity of thunderstorms over northern Australia with several research...
Daytime SABER/TIMED observations of water vapor in the mesosphere: retrieval approach and first results
Daytime SABER/TIMED observations water vapor mesosphere
2009/11/19
This paper describes a methodology for water vapor retrieval in the mesosphere-lower thermosphere (MLT) using 6.6 μm daytime broadband emissions measured by SABER, the limb scanning infrared radiomete...
Tropospheric methane in the tropics – first year from IASI hyperspectral infrared observations
Tropospheric methane tropics IASI hyperspectral infrared observations
2009/9/11
Simultaneous observations from the Infrared Atmospheric Sounding Interferometer (IASI) and from the Advanced Microwave Sounding Unit (AMSU), launched together onboard the European MetOp platform in Oc...
First year of upper tropospheric integrated content of CO2 from IASI hyperspectral infrared observations
upper tropospheric integrated content CO2 IASI hyperspectral infrared observations
2009/7/23
Simultaneous observations from the Infrared Atmospheric Sounding Interferometer (IASI) and from the Advanced Microwave Sounding Unit (AMSU), launched together onboard the European MetOp platform in Oc...
Chemistry and transport of pollution over the Gulf of Mexico and the Pacific: spring 2006 INTEX-B campaign overview and first results
Chemistry and transport of pollution Gulf of Mexico and the Pacific spring 2006 INTEX-B campaign
2009/5/7
Intercontinental Chemical Transport Experiment-B (INTEX-B) was a major NASA (Acronyms are provided in Appendix A.) led multi-partner atmospheric field campaign completed in the spring of 2006 (http://...