Publikationsdatum:
2024-06-12
Beschreibung:
During Polarstern cruise ANT-XXV/5 in April/May 2009, the marine atmosphere was sampled via PTFE (Polytetrafluorethylen) tubing extending from the front of the upper deck to labs on the main deck of r/v Polarstern and then analyzed for elemental mercury in air (Hg0-air) using the same Tekran 2537A as for Hg0-water measurements. The time interval of Hg0-air measurements was 5-min with gaps of about 20 min each hour because of intermittent Hg0-water measurements. The data were checked for potential contamination during tailwind situations (relative wind speed and direction) and doubtful values were removed. The detection limit was 0.1 ng L-1 (on ANT-XXV/5: 5 times the Hg0-air values were below the detection limit).
Schlagwort(e):
ALTITUDE; ANT-XXV/5; Atlantic Ocean; atmospheric boundary layer; Atmospheric measurements; BARO; Barometer; Calculated; DATE/TIME; Elemental mercury; Humidity, relative; HYGRO; Hygrometer; LATITUDE; LONGITUDE; Mercury; Mercury vapour analyzer, Tekran, 2537A; Polarstern; Pressure, atmospheric; PS73; PS73/5_0_Underway-2; PS73/5_0_Underway-4; Ship Weather Station; SWEAS; Temperature, air; Thermometer; UAS; Underway air sampling
Materialart:
Dataset
Format:
text/tab-separated-values, 37480 data points
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