Citation:

PANGAEA.857313

Always quote citation above when using data! You can download the citation in several formats below.

RIS Citation BibTeX Citation Text Citation Facebook TwitterShow Map Google Earth

Abstract:

The datasets present measurements of cDOM absorption in lakes, rivers and streams of Yamal and Gydan Peninsula area during the summer periods from 2012-2014 and 2016.

In summer seasons of 2012 - 2013 water samples was collected during "Yamal-Arctic" Expedition. All of the research areas were located near the coastline of Yamal, Yavay, and Gydan Peninsula and Bely Island. In 2012 water samples from rivers, lakes and streams were taken near New Port, Cape Kamenny and Tambey settlements and in basins (water catchments) of the Sabetta, Seyakha, Yuribey (Baydaratskaya Bay, Gydan Peninsula) and Mongocheyakha rivers. In 2013 water samples from rivers, lakes and streams were taken in the Yavai Peninsula, Yayne Vong bay and in the basins (water catchments) of the Sabetta, Mongocheyakha and Yuribey (Gydan Peninsula) rivers. In 2014 lakes were sampled in the Erkuta River basin, south of Yamal Peninsula. In 2016 lakes and rivers were sampled it the Erkuta River basin and Polar Ural area.

cDOM is operationally defined by the chosen filter pore size. Samples have been consistently filtrated through 0.7 µm pore size glas fibre filters. cDOM filtrates have been stored in darkness and have been measured after the expedition using the dual-beam Specord200 laboratory spectrometer (Jena Analytik) at the Otto Schmidt Laboratory OSL, Arctic and Antarctic Research Institute, St. Petersburg, Russia. The OSL cDOM protocol (Heim and Roessler, 2016) prescribes 3 Absorbance (A) measurements per sample from UV to 750 nm against ultra-pure water. The absorption coefficient, a, is calculated by a = 2.303A/L, where L is the pathlength of the cuvette [m], and the factor 2.303 converts log10 to loge. The output of the calculation is a continuous spectrum of a. The cDOM a spectra are used to determine the exponential slope value for specific wavelength ranges, S by fitting the data between min and max wavelength to an exponential function.

We provide cDOM absorption coefficients for the wavelengths 254, 260, 350, 375, 400, 412, 440, 443 nm [1/m] and Slope values for three different UV, VIS, wavelength ranges: 275 to 295 nm, 350 to 400 nm, 300 to 500 nm [1/m].

All data were carried out by scientists from Arctic and Antarctic Research Institute and Saint Petersburg State University of Russia during "Yamal-Arctic" expeditions in 2012-2013, RFBR project No 14-04-10065 in 2014, No 14-05-00787 in 2016.

Coverage:

Median Latitude: 69.507465 * Median Longitude: 71.267878 * South-bound Latitude: 66.653889 * West-bound Longitude: 65.531361 * North-bound Latitude: 73.275000 * East-bound Longitude: 78.809500

Date/Time Start: 2012-08-08T00:00:00 * Date/Time End: 2016-07-16T00:00:00

License:

Creative Commons Attribution 3.0 Unported (CC-BY-3.0)

Size:

4 datasets

Download Data

Download ZIP file containing all datasets as tab-delimited text — use the following character encoding:

Datasets listed in this publication series

Skorospekhova, T; Fedorova, IV; Evdokimov, A et al. (2016): Colored dissolved organic matter (cDOM) absorption measurements during Yamal-Arctic Expedition in 2012. https://doi.org/10.1594/PANGAEA.857309
Skorospekhova, T; Fedorova, IV; Evdokimov, A et al. (2016): Colored dissolved organic matter (cDOM) absorption measurements during Yamal-Arctic Expedition in 2013. https://doi.org/10.1594/PANGAEA.857310
Skorospekhova, T; Fedorova, IV; Evdokimov, A et al. (2016): Colored dissolved organic matter (cDOM) absorption measurements during Yamal-Arctic Expedition in 2014. https://doi.org/10.1594/PANGAEA.857311
Skorospekhova, T; Fedorova, IV; Evdokimov, A et al. (2016): Colored dissolved organic matter (cDOM) absorption measurements during Yamal-Arctic Expedition in 2016. https://doi.org/10.1594/PANGAEA.865318