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Absorption Ångström coefficient, brown carbon, and aerosols: basic concepts, bulk matter, and spherical particles
Absorption Å ngströ m coefficient brown carbon aerosols bulk matter spherical particles
2011/2/25
The concept of wavelength-dependent absorption Ångström coefficients (AACs) is discussed and clarified for both single and two-wavelengths AACs and guidance for their implementation with no...
Integrated water vapor above Ny Ålesund, Spitsbergen: a multi-sensor intercomparison
Integrated water vapor Ny Å lesund Spitsbergen multi-sensor intercomparison
2010/2/21
Water vapor is an important constituent of the atmosphere. Because of its abundance and its radiative properties it plays an important role for the radiation budget of the atmosphere and has major inf...
Ground-based lidar measurements from Ny-Ålesund during ASTAR 2007
Ground-based lidar measurements Ny-Å lesund ASTAR 2007
2009/12/3
During the Arctic Study of Tropospheric Aerosol, Clouds and Radiation (ASTAR) in March and April 2007, measurements obtained at the AWIPEV Arctic Research Base in Ny-Ålesund, Spitsbergen at 78.9...
MAX-DOAS measurements of atmospheric trace gases in Ny-Ålesund - Radiative transfer studies and their application
MAX-DOAS atmospheric trace gases Ny-Å lesund - Radiative
2009/2/27
A new approach to derive tropospheric concentrations of some atmospheric trace gases from ground-based UV/vis measurements is described. The instrument, referred to as the MAX-DOAS, is based on the we...
Differences in Arctic and Antarctic PSC occurrence as observed by lidar in Ny-Ålesund（79° N, 12° E）and McMurdo（78° S, 167° E）
Arctic Antarctic PSC lidar Ny-Å lesund McMurdo
2009/2/16
The extent of springtime Arctic ozone loss does not reach Antarctic ``ozone hole'' dimensions because of the generally higher temperatures in the northern hemisphere vortex and consequent less polar s...
Humidity observations in the Arctic troposphere over Ny-Ålesund, Svalbard based on 15 years of radiosonde data
Humidity Arctic troposphere Ny-Å lesund Svalbard
2008/12/10
Water vapour is an important component in the radiative balance of the polar atmosphere. We present a study covering fifteen years of data of tropospheric humidity profiles measured with standard radi...
Circumpolar transport and air-surface exchange of atmospheric mercury at Ny-Ålesund (79° N), Svalbard, spring 2002
Circumpolar transport atmospheric mercury Svalbard
2008/11/27
Mercury in different environmental compartments has been measured at Ny-Ålesund (78°54' N, 11°53' E) during an intensive campaign, 17 April to 14 May 2002. Time-resolved speciated determination ...
Some considerations about Ångström exponent distributions
considerations Å ngströ m exponent distribution
2008/10/28
A simulation study has been performed in order to show the influence of the aerosol optical depth (AOD) distribution together with the corresponding error distribution on the resulting Ångstr&o...