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Mid-latitude ozone monitoring with the GOMOS-ENVISAT experiment version 5: the noise issue
Mid-latitude ozone the GOMOS-ENVISAT experiment version the noise issue
2010/12/28
The GOMOS ozone profiles have been analysed to evaluate the GOMOS ability to capture the long-term ozone evolution at mid-latitudes during the expected recovery phase of the ozone layer. Version 5 of ...
Aerosol-cloud interaction determined by both in situ and satellite data over a northern high-latitude site
Aerosol-cloud interaction in situ and satellite data a northern high-latitude site
2010/11/30
The first aerosol indirect effect over a clean, northern high-latitude site was investigated by determining the aerosol cloud interaction (ACI) using three different approaches; ground-based in situ m...
Cosmic rays linked to rapid mid-latitude cloud changes
Cosmic rays rapid mid-latitude cloud changes
2010/11/30
The effect of the Galactic Cosmic Ray (GCR) flux on Earth's climate is highly uncertain. Using a novel sampling approach based around observing periods of significant cloud changes, a statistically ro...
Validation of northern latitude Tropospheric Emission Spectrometer stare ozone profiles with ARC-IONS sondes during ARCTAS: sensitivity, bias and error analysis
northern latitude Tropospheric Emission Spectrometer ozone profiles ARC-IONS sondes ARCTAS
2010/10/21
We compare Tropospheric Emission Spectrometer (TES) versions 3 and 4, V003 and V004, respectively, nadir-stare ozone profiles with ozonesonde profiles from the Arctic Intensive Ozonesonde Network Stud...
Airborne measurements of aerosol optical properties related to early spring transport of mid-latitude sources into the Arctic
Airborne measurements aerosol optical properties mid-latitude sources the Arctic
2010/8/13
Airborne lidar and in-situ measurements of the aerosol properties were conducted between Svalbard Island and Scandinavia in April 2008. Evidence of aerosol transport from Europe and Asia is given. The...
BVOC ecosystem flux measurements at a high latitude wetland site
BVOC ecosystem flux measurements high latitude wetland site
2010/2/21
In this study, we present summertime concentrations and fluxes of biogenic volatile organic compounds (BVOCs) measured at a sub-arctic wetland in northern Sweden using a disjunct eddy-covariance (DEC)...
Origin of aerosol particles in the mid-latitude and subtropical upper troposphere and lowermost stratosphere from cluster analysis of CARIBIC data
aerosol particles troposphere lowermost stratosphere CARIBIC data
2009/11/19
The origin of aerosol particles in the upper troposphere and lowermost stratosphere over the Eurasian continent was investigated by applying cluster analysis methods to in situ measured data. Number c...
The impact of weather and atmospheric circulation on O3 and PM10 levels at a rural mid-latitude site
weather and atmospheric circulation O3 PM10 levels rural mid-latitude site
2009/5/6
In spite of the strict EU regulations, concentrations of surface ozone and PM10 often exceed the pollution standards for the Netherlands and Europe. Their concentrations are controlled by (precursor) ...
Using 14C, 13C, 18O and 17O isotopic variations to provide insights into the high northern latitude surface CO inventory
14C 13C 18O and 17O isotopic variations high northern latitude CO
2009/3/12
Measurements of the complete isotopic composition of atmospheric CO (3CO, 14CO, C17O, C18O) have been carried out at the high northern latitude stations Spitsbergen, Norway, and Alert, Canada. The ann...
Characteristics and direct radiative effect of mid-latitude continental aerosols：the ARM case
Characteristics and direct radiative effect mid-latitude continental aerosols ARM case
2009/3/11
A multi-year field measurement analysis of the characteristics and direct radiative effect of aerosols at the Southern Great Plains (SGP) central facility of the Atmospheric Radiation Measurement (ARM...
A three-dimensional model study of long-term mid-high latitude lower stratosphere ozone changes
three-dimensional model long-term mid-high latitude lower stratosphere ozone changes
2009/3/11
We have used a 3D off-line chemical transport model (CTM) to study the causes of the observed changes in ozone in the mid-high latitude lower stratosphere from 1979-1998. The model was forced by Europ...
The impact of mid-latitude intrusions into the polar vortex on ozone loss estimates
mid-latitude intrusions polar vortex ozone loss estimates
2009/3/10
Current stratospheric chemical model simulations underestimate substantially the large ozone loss rates that are derived for the Arctic from ozone sondes for January of some years. Until now, no expla...
Refinements in the use of equivalent latitude for assimilating sporadic inhomogeneous stratospheric tracer observations，2：Precise altitude-resolved information about transport of Pinatubo aerosol to very high latitude
quivalent latitude sporadic inhomogeneous stratospheric tracer altitude-resolved Pinatubo aerosol
2009/3/5
From high latitude lidar observations, quite precise information is extracted about the temporal evolution and vertical distribution of volcanic aerosol in the high latitude lower stratosphere followi...
Refinements in the use of equivalent latitude for assimilating sporadic inhomogeneous stratospheric tracer observations, 1: Detecting transport of Pinatubo aerosol across a strong vortex edge
equivalent latitude inhomogeneous stratospheric tracer Pinatubo aerosol strong vortex edge
2009/3/5
The use of PV equivalent latitude for assimilating stratospheric tracer observations is discussed - with particular regard to the errors in the equivalent latitude coordinate, and to the assimilation ...
Tracing troposphere-to-stratosphere transport above a mid-latitude deep convective system
Tracing troposphere-to-stratosphere transport mid-latitude deep convective system
2009/2/26
Within the project SPURT (trace gas measurements in the tropopause region) a variety of trace gases have been measured in situ in order to investigate the role of dynamical and chemical processes in ...