Ship Cruise: RARA AVIS

Water vapor isotope experiment was conducted during RARA AVIS cruise (Ship name:  S/V Rara Avis) between Jan 2015 and Mar 2015 (May 2015 and Jun 2015) over the Atlantic Ocean (70 W - 10 W; 10 N - 50 N).


Data download: NetCDF

Variable definitions

Description

Unit

Equipment

Height (m)

Additional description

Date time

UTC

Latitude

degree (°C)

Longitude

degree (°C)

Water mixing ratio

ppmv

Picarro L2120-i

10

Water vapour isotopic ratio (18O)

per mil

Picarro L2120-i

10

Normalized to V-SMOW; Humidity dependence correlation: Non-linear regression

Standard deviation of 18O

per mil

Picarro L2120-i

10

15 min

Water vapour isotopic ratio (D)

per mil

Picarro L2120-i

10

Normalized to V-SMOW; Humidity dependence correlation: Non-linear regression

Standard deviation of D

per mil

Picarro L2120-i

10

15 min

Air temperature

Celsius (°C)

MetPak Pro Gill

4

Relative humidity

<=1

MetPak Pro Gill

4

Air pressure

kPa

MetPak Pro Gill

4

Precipitation

mm

MetPak Pro Gill

4

Net radiation

W/m2

MetPak Pro Gill

4

Wind speed

m/s

MetPak Pro Gill

4

Wind direction

degree (°C)

MetPak Pro Gill

4

Reference papers

            Benetti, M. et al. Stable isotopes in the atmospheric marine boundary layer water vapour over the Atlantic Ocean, 2012–2015. Sci. Data 4:160128 doi: 10.1038/sdata.2016.128 (2017).

Site contact

            Name: Marion Benetti & Hans Christian Steen-Larsen

            Email: marioncb@hi.is (Marion Benetti) & hanschr@gfy.ku.dk (Hans Christian Steen-Larsen)