the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
AntAir: satellite-derived 1 km daily Antarctic air temperatures since 2003
Abstract. Air temperature is an important baseline parameter for terrestrial Antarctica in the context of patterns and processes in climatology, hydrology or ecology. There are still large uncertainties on how the Antarctic system responds to spatio-temporal variability of temperature. This can partly be attributed to the lack of high resolution datasets. In this paper, we present AntAir, a new dataset of gridded air temperatures in 1 km spatial and daily temporal resolution that is available since 2003. AntAir was created by modelling daily air temperature from MODIS land surface temperature using machine learning algorithms. Data from 70 weather stations was used as a reference. Daily temperatures could be estimated with a R2 of 0.91 and a RMSE of 5.07 °C validated on independent years. The performance to estimate the time series of a new spatial location was R2 = 0.78 and RMSE = 5.83 °C. Hence the high spatial and temporal resolution of the dataset as well as the high accuracy make AntAir an important baseline dataset for a wide range of applications in environmental science of Antarctica. The dataset is available at https://doi.pangaea.de/10.1594/PANGAEA.902166 (daily, Meyer et al., 2019a) and https://doi.pangaea.de/10.1594/PANGAEA.902193 (monthly, Meyer et al., 2019b).
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Preprint
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Interactive discussion
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RC1: 'Review manuscript by Meyer et al.', Anonymous Referee #1, 14 Feb 2020
- AC1: 'Reply to RC1', Hanna Meyer, 17 Apr 2020
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RC2: 'Review ESSD-2019-215', Anonymous Referee #2, 15 Feb 2020
- AC2: 'Reply to RC2', Hanna Meyer, 17 Apr 2020
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EC1: 'Fit of 2019-215 for ESSD', David Carlson, 17 Apr 2020
- EC2: 'MODIS, not LandSat', David Carlson, 19 Apr 2020
- AC3: 'Reply to EC1', Hanna Meyer, 25 Apr 2020
- EC3: 'Withdraw option for authors', David Carlson, 27 Apr 2020
Interactive discussion
-
RC1: 'Review manuscript by Meyer et al.', Anonymous Referee #1, 14 Feb 2020
- AC1: 'Reply to RC1', Hanna Meyer, 17 Apr 2020
-
RC2: 'Review ESSD-2019-215', Anonymous Referee #2, 15 Feb 2020
- AC2: 'Reply to RC2', Hanna Meyer, 17 Apr 2020
-
EC1: 'Fit of 2019-215 for ESSD', David Carlson, 17 Apr 2020
- EC2: 'MODIS, not LandSat', David Carlson, 19 Apr 2020
- AC3: 'Reply to EC1', Hanna Meyer, 25 Apr 2020
- EC3: 'Withdraw option for authors', David Carlson, 27 Apr 2020
Data sets
AntAir: satellite-derived 1km daily Antarctic air temperatures 2003-2016 H. Meyer, M. Katurji, F. Detsch, F. Morgan, T. Nauss, P. Roudier, and R. Zawar-Reza https://doi.pangaea.de/10.1594/PANGAEA.902166
AntAir: satellite-derived 1km daily Antarctic air temperatures since 2003-2016 (monthly means) H. Meyer, M. Katurji, F. Detsch, F. Morgan, T. Nauss, P. Roudier, and R. Zawar-Reza https://doi.org/10.1594/PANGAEA.902193
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