RICE ice core nitrate data for the last glacial period (83-26 ka BP) ...

Roosevelt Island Climate Evolution (RICE) ice core non-sea salt calcium (nssCa) and nitrate (NO3) data, covering last glacial period from 83000-26000 years BP are presented here. RICE is a 764-m long ice core retrieved from Roosevelt Island, a coastal dome in the vicinity of Ross Sea, West Antarctic...

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Bibliographic Details
Main Authors: Ulayottil Venugopal, Abhijith, Bertler, Nancy A, Pyne, Rebecca L, Kjær, Helle Astrid, Winton, Victoria H L, Mayewski, Paul Andrew, Cortese, Giuseppe
Format: Dataset
Language:English
Published: PANGAEA 2022
Subjects:
Antarctica
Glaciochemistry
Last glacial period
RICE ice core
AGE
Calcium, non-sea-salt
Nitrate
Ice drill
Ion chromatography
Roosevelt Island Climate Evolution Project RICE
Antarc*
ice core
Roosevelt Island
Ross Sea
Online Access:https://dx.doi.org/10.1594/pangaea.941412
https://doi.pangaea.de/10.1594/PANGAEA.941412
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Summary:Roosevelt Island Climate Evolution (RICE) ice core non-sea salt calcium (nssCa) and nitrate (NO3) data, covering last glacial period from 83000-26000 years BP are presented here. RICE is a 764-m long ice core retrieved from Roosevelt Island, a coastal dome in the vicinity of Ross Sea, West Antarctica.Both nssCa and NO3 data are produced using Ion Chromatography (IC) and are of decadal resolution (50-yr averaged). IC measurements were made at National Ice Core facility at GNS Science, New Zealand in 2017 as two batches. The first batch consisted of 579 samples covering the time period between ~40.6-26 ka BP. The second batch had a total of 911 samples and covered ~83-40.6 ka BP. Analytical precision is better than ~5% for Ca and is better than ~10% for NO3. Accuracy is better than ~5 % for Ca and is better than ~30% and ~10% for NO3 in the first batch and second batch, respectively. A likely reason for relatively reduced quality of NO3 measurements in the first batch of samples could be due to the extremely ...

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