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Behrens, Lisa K; Hilboll, Andreas; Richter, Andreas; Peters, Enno; Alvarado, Leonardo M A; Kalisz Hedegaard, Anna Beata; Wittrock, Folkard; Burrows, John Philipp; Vrekoussis, Mihalis (2019): Formaldehyde (HCHO) slant column densities measured during the cruise MSM58/2 over the Atlantic Ocean using MAX-DOAS [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.909229, In supplement to: Behrens, LK et al. (2019): Detection of outflow of formaldehyde and glyoxal from the African continent to the Atlantic Ocean with a MAX-DOAS instrument. Atmospheric Chemistry and Physics, 19(15), 10257-10278, https://doi.org/10.5194/acp-19-10257-2019

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Published: 2019-11-29 • DOI registered: 2020-01-10

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Keyword(s):
Atlantic Ocean; Atmosphere; Formaldehyde; HCHO; MAX-DOAS
Coverage:
Median Latitude: -1.388771 * Median Longitude: 7.893764 * South-bound Latitude: -32.189167 * West-bound Longitude: -15.638833 * North-bound Latitude: 36.303030 * East-bound Longitude: 25.313939
Date/Time Start: 2016-10-08T00:00:00 * Date/Time End: 2016-10-23T00:00:00
Event(s):
MSM58/2-track * Latitude Start: 37.736400 * Longitude Start: -25.665300 * Latitude End: -33.906800 * Longitude End: 18.433700 * Date/Time Start: 2016-10-08T00:00:00 * Date/Time End: 2016-10-23T00:00:00 * Location: Atlantic Ocean * Campaign: MSM58/2 * Basis: Maria S. Merian * Method/Device: Underway cruise track measurements (CT) * Comment: Ponta Delgada - Cape Town
Comment:
During the cruise MSM58/2, a MAX-DOAS instrument was installed on Maria S. Merian. The instrument's measurements were used to retrieve the atmospheric abundance (in the form of slant column densities) of different trace gases. This dataset contains daily averaged slant column densities of formaldehyde (HCHO), measured at different elevation angles, as well as a vertical column density (derived from the 30 degree measurement).
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1 Time in daysTime ddaysVrekoussis, Mihalisdays since 1992-12-31T00:00:00
2 LATITUDELatitudeVrekoussis, MihalisGeocode
3 LONGITUDELongitudeVrekoussis, MihalisGeocode
4 Formaldehyde, slant column densityHCHO SCDmolec/cm2Vrekoussis, MihalisMulti-AXis Differential Optical Absorption Spectrometer (MAX-DOAS) (MAX-DOAS)at elevation of 1 degree above horizon
5 Formaldehyde, slant column densityHCHO SCDmolec/cm2Vrekoussis, MihalisMulti-AXis Differential Optical Absorption Spectrometer (MAX-DOAS) (MAX-DOAS)at elevation of 3 degree above horizon
6 Formaldehyde, slant column densityHCHO SCDmolec/cm2Vrekoussis, MihalisMulti-AXis Differential Optical Absorption Spectrometer (MAX-DOAS) (MAX-DOAS)at elevation of 6 degree above horizon
7 Formaldehyde, slant column densityHCHO SCDmolec/cm2Vrekoussis, MihalisMulti-AXis Differential Optical Absorption Spectrometer (MAX-DOAS) (MAX-DOAS)at elevation of 8 degree above horizon
8 Formaldehyde, slant column densityHCHO SCDmolec/cm2Vrekoussis, MihalisMulti-AXis Differential Optical Absorption Spectrometer (MAX-DOAS) (MAX-DOAS)at elevation of 10 degree above horizon
9 Formaldehyde, slant column densityHCHO SCDmolec/cm2Vrekoussis, MihalisMulti-AXis Differential Optical Absorption Spectrometer (MAX-DOAS) (MAX-DOAS)at elevation of 15 degree above horizon
10 Formaldehyde, slant column densityHCHO SCDmolec/cm2Vrekoussis, MihalisMulti-AXis Differential Optical Absorption Spectrometer (MAX-DOAS) (MAX-DOAS)at elevation of 30 degree above horizon
11 Formaldehyde, slant column densityHCHO SCDmolec/cm2Vrekoussis, MihalisMulti-AXis Differential Optical Absorption Spectrometer (MAX-DOAS) (MAX-DOAS)at elevation of 90 degree above horizon
12 Formaldehyde air mass factorHCHO amfVrekoussis, MihalisMulti-AXis Differential Optical Absorption Spectrometer (MAX-DOAS) (MAX-DOAS)30 degree elevation, 388.0 nm
13 Formaldehyde, vertical column densityHCHO VCDmolec/cm2Vrekoussis, MihalisMulti-AXis Differential Optical Absorption Spectrometer (MAX-DOAS) (MAX-DOAS)retrieved from the 30 degree elevation SCD
14 Formaldehyde, vertical column densityHCHO VCDmolec/cm2Vrekoussis, Mihalisfrom OMI satellite retrieval (IUP-Bremen product; for comparison)
15 Formaldehyde, vertical column densityHCHO VCDmolec/cm2Vrekoussis, Mihalisfrom GOME-2/MetOp-B satellite retrieval (IUP-Bremen product; for comparison)
License:
Creative Commons Attribution-NoDerivs 4.0 International (CC-BY-ND-4.0)
Size:
209 data points

Data

Download dataset as tab-delimited text — use the following character encoding:

1 
Time d [days]
(days since 1992-12-31T00:00:00)		2 
Latitude		3 
Longitude		4 
HCHO SCD [molec/cm2]
(at elevation of 1 degree abov...)		5 
HCHO SCD [molec/cm2]
(at elevation of 3 degree abov...)		6 
HCHO SCD [molec/cm2]
(at elevation of 6 degree abov...)		7 
HCHO SCD [molec/cm2]
(at elevation of 8 degree abov...)		8 
HCHO SCD [molec/cm2]
(at elevation of 10 degree abo...)		9 
HCHO SCD [molec/cm2]
(at elevation of 15 degree abo...)		10 
HCHO SCD [molec/cm2]
(at elevation of 30 degree abo...)		11 
HCHO SCD [molec/cm2]
(at elevation of 90 degree abo...)		12 
HCHO amf
(30 degree elevation, 388.0 nm)		13 
HCHO VCD [molec/cm2]
(retrieved from the 30 degree ...)		14 
HCHO VCD [molec/cm2]
(from OMI satellite retrieval ...)		15 
HCHO VCD [molec/cm2]
(from GOME-2/MetOp-B satellite...)
868236.30303030025.3139393907.11E157.31E156.49E154.80E155.00E153.62E153.04E15-7.82E142.6389587.58E157.63E157.30E15
868331.45571429024.2377551005.55E156.02E155.36E154.89E156.67E155.35E152.59E15-6.91E142.6693397.01E152.52E155.07E15
868426.01204082023.0904081608.89E157.84E156.25E156.04E155.67E154.91E153.47E151.96E152.7040877.59E151.43E152.79E15
868520.86108696022.0521739108.98E158.30E157.46E158.06E157.44E157.26E155.69E152.98E152.6227201.00E162.88E152.55E15
8686
868710.40132075019.8824528301.64E161.70E161.80E161.92E161.90E161.92E161.50E168.67E152.6457571.81E169.36E151.23E16
86886.38945454517.0387272701.07E161.08E161.05E169.15E151.11E168.96E157.86E157.03E152.6001581.24E166.87E151.14E16
86892.43750000013.9189285708.24E158.75E158.82E158.33E158.25E158.17E156.93E155.38E152.5738541.21E165.35E151.04E16
8690-1.62169491510.7286440708.05E157.05E156.87E157.26E157.15E155.67E153.77E152.39E152.6144308.61E155.94E157.81E15
8691-5.7077586217.5194827591.41E161.49E161.46E161.55E161.47E161.35E161.08E168.37E152.6739391.42E166.54E155.02E15
8692-9.6291666674.4188333338.13E156.81E156.75E156.64E156.61E156.57E156.05E155.60E152.6922759.90E156.32E154.18E15
8693-13.3700000001.4283673479.31E157.56E156.93E157.43E158.11E157.12E156.85E156.92E152.6585391.07E165.53E153.23E15
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8695-21.428666670-5.1978333337.84E158.37E158.05E156.27E156.23E155.97E154.23E154.18E152.5634659.60E154.63E152.10E15
8696-25.480000000-8.6605172414.60E154.81E154.57E154.11E154.01E154.02E159.29E148.48E142.6089276.25E154.29E152.35E15
8697-29.137500000-11.8888333304.59E154.17E153.37E153.38E152.68E151.10E153.98E14-2.90E142.6095275.73E153.85E152.81E15
8698-32.189166670-15.6388333304.80E155.16E153.85E153.79E153.76E153.01E151.68E15-7.72E132.5794307.11E153.56E151.85E15