DOI: 10.16904/envidat.164
title: Data set on interfacial supercooling and the precipitation of hydrohalite in frozen NaCl solutions by X-ray absorption spectroscopy

description: Laboratory experiments are presented on the phase change at the surface of sodium chloride – water mixtures at temperatures between 259 K and 240 K. High selectivity to the upper few nanometres of the frozen solution – air interface is achieved by using electron yield near-edge X-ray absorption fine structure (NEXAFS) spectroscopy. We present the NEXAFS spectrum of the hydrohalite.
description: Resource Title: Read Me
 Size: 127587 bytes
 Format: application/pdf
 URL: https://www.envidat.ch/dataset/4f67a0e6-accb-40a1-b9f1-3c8f8eebf886/resource/06ee35fe-4ee5-4813-812c-5600ac828b25/download/bartelsrausch_cryosphere_nacl_2020-data-repository.pdf
 Description: Description of the data tables
description: Resource Title: Code
 Size: 4438 bytes
 Format: .m
 URL: https://www.envidat.ch/dataset/4f67a0e6-accb-40a1-b9f1-3c8f8eebf886/resource/4f8edf22-d8cf-42e9-aae8-88cf6d84ceec/download/bartelsrausch_cryosphere_nacl_2020.m
 Description: Matlab code to read and plot the data
description: Resource Title: Table1
 Size: 15287 bytes
 Format: text/plain
 URL: https://www.envidat.ch/dataset/4f67a0e6-accb-40a1-b9f1-3c8f8eebf886/resource/89079eb2-5bc0-4032-ad8d-41db87a93c81/download/table1.txt
 Description: This table lists all data files in chronological order. "SampleTemp" refers to the reading of the PT-1000 at the side of the sample holder. "cellPressure" is the water vapour pressure during the measurements. From this, in presence of ice, the temperature of the ice sample can be calculated which is given in the column "iceTemp". "dT" is the difference, or temperature offset, between sensor's reading and the ice samples temperature. The offset is due to the sensor being mounted away from the cooled spot of the sample were it experiences heating from warmer parts of the sample holder. The off-set is used to calibrate the temperature sensor and the resulting temperature during the experiments is given in the column "temperature". "relHum" is the relative humidity above (supercooled) liquid and "concBrine" is the concentration of a NaCl solution in mol/l in equilibrium with ice at the experimental temperature. "Area" is the integrated PE signal.
description: Resource Title: Table 2
 Size: 1399 bytes
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 URL: https://www.envidat.ch/dataset/4f67a0e6-accb-40a1-b9f1-3c8f8eebf886/resource/0a3fb7b3-b96d-496a-86e2-00a635c1fdab/download/table2.txt
 Description: This table lists all NEXAFS data files in chronological order with PE carbon to oxygen signal intensity ratios -from which the atomic ratio were calculated in the paper - before ("preCtoO") and after ("postCtoO") each NEXAFS measurement. Also listed is the change in Na ("lossSodi"), O ("lossOxy"), Cl ("lossChlor"), and C ("lossCarb") signal intensity after the NEXAFS measurement compared to prior to the NEXAFS measurement.
description: Resource Title: Fig 1A
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 URL: https://www.envidat.ch/dataset/4f67a0e6-accb-40a1-b9f1-3c8f8eebf886/resource/b90f9e5e-d4a1-47ef-8654-659b2ee7734a/download/fig1dataa.txt
 Description: Data Figure 1A
description: Resource Title: Fig 1B
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 URL: https://www.envidat.ch/dataset/4f67a0e6-accb-40a1-b9f1-3c8f8eebf886/resource/e34c6b10-2a60-47ff-9861-c4532f9f6cd5/download/fig1datab.txt
 Description: Data in Figure 1B
description: Resource Title: Fig 1C
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 URL: https://www.envidat.ch/dataset/4f67a0e6-accb-40a1-b9f1-3c8f8eebf886/resource/72da8863-8f75-4cc6-8f19-e0794aba1825/download/fig1datac.txt
 Description: Data to Figure 1C
description: Resource Title: Fig 1D
 Size: 4831 bytes
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 URL: https://www.envidat.ch/dataset/4f67a0e6-accb-40a1-b9f1-3c8f8eebf886/resource/b483a523-00ab-46ae-8dd4-12a80135158a/download/fig1datad.txt
 Description: Data to Figure 1D
description: Resource Title: Fig 1E
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 URL: https://www.envidat.ch/dataset/4f67a0e6-accb-40a1-b9f1-3c8f8eebf886/resource/b5116736-f648-48fc-b151-84f9e7425b02/download/fig1datae.txt
 Description: Data to Figure 1E
description: Resource Title: Fig 1F
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 Description: Data to Figure 1F
description: Resource Title: Fig 1B_1
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 URL: https://www.envidat.ch/dataset/4f67a0e6-accb-40a1-b9f1-3c8f8eebf886/resource/8b41e95e-ed56-46fd-96ff-1edfd7e95592/download/fig1datab_phoenix04042016_006.txt
 Description: Individual data to mean shown in Figure 1B
description: Resource Title: Fig 1B_2
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 URL: https://www.envidat.ch/dataset/4f67a0e6-accb-40a1-b9f1-3c8f8eebf886/resource/ddfc21ed-441b-457d-b97f-b798769fe961/download/fig1datab_phoenix04042016_007.txt
 Description: Individual data to mean shown in Figure 1B
description: Resource Title: Fib 1B_3
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 Description: Individual data to mean shown in Figure 1B
description: Resource Title: Fig 1F_1
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 Description: Individual data to mean shown in Figure 1F
description: Resource Title: Fig 1F_2
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 Description: Individual data to mean shown in Figure 1F