COBRA Field Measurements
Summary of measurements made by all groups.
Measurements |
Technique |
Group |
I2/IO/BrO/OIO |
Long path DOAS, MAX-DOAS and CE-DOAS |
UEA (JP) |
Br2/BrCl |
APCI-MS |
Batelle (CS) |
Reactive iodine and bromine organohalogens |
2 x GC-MS |
UoY (LC) |
Offline I2 |
Denuder tubes/ ICP-MS |
UoY (LC) |
Aerosol number-size distributions, size segregated particle fluxes |
UHSAS, CPCs and SMPS |
UoM (HC/MG) |
Offline chemical (including iodine) analysis of aerosols |
TEM and EDX |
UoM (HC). |
Micrometeorological techniques |
Enclosure chambers, eddy correlation, multi-height. |
UoM (MG). |
CO, VOCs, OVOCs |
Aerolaser, GC-FID |
UoY (ACL) |
O3, NO, NO2 |
ANNOX |
UoY (JDL) |
Total gaseous mercury, mercury speciation (Hg° and reduced gaseous mercury) and total particulate mercury, O3 |
Tekran 1130, 1135 & 2537 (mercury suite) + ozone TECO |
MSC (LP) |
Dissolved Hg in snow (HgT, Hg reactive, Hg dissolved and particulate; methylmercury), microbiology in snow |
Mercury suite, Molecular microbiology techniques |
MSC (LP) |
UV Spectra |
4 p spectral radiometer, j-O1D and j-NO2 spectral radiometers |
UoL (PSM) |
Wind, temperature and ozone profiles, plus height of top of boundary layer. |
Met. sonde on tethered kite or balloon. |
BAS (HR) |
Chemical, physical and biological characterisation of ice |
BET method for specific surface area, ion chromatography, microscope examination and analysis, chlorophyll assays |
BAS (HR) |
Meteorological data (air temp, sea-ice temp, wind direction, wind speed) |
Standard met package |
CEN station |