PRACTISE &ndash; Photo Rectification And ClassificaTIon SoftwarE (V.2.1)

Härer, S.; Bernhardt, M.; Schulz, K.

doi:10.5194/gmd-9-307-2016

Articles | Volume 9, issue 1

https://doi.org/10.5194/gmd-9-307-2016

© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.

https://doi.org/10.5194/gmd-9-307-2016

© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.

Articles | Volume 9, issue 1

Model description paper

|

26 Jan 2016

Model description paper |

| 26 Jan 2016

PRACTISE – Photo Rectification And ClassificaTIon SoftwarE (V.2.1)

S. Härer, M. Bernhardt, and K. Schulz

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Feb 2023	46	15	0	61
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Apr 2024	44	6	3	53
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Aug 2024	16	4	2	22
Sep 2024	13	9	0	22
Oct 2024	16	3	0	19
Nov 2024	11	8	4	23
Dec 2024	9	3	2	14
Jan 2025	18	4	1	23
Feb 2025	24	9	6	39
Mar 2025	33	14	4	51
Apr 2025	19	14	1	34
May 2025	26	10	0	36
Jun 2025	49	12	0	61
Jul 2025	29	14	3	46
Aug 2025	34	14	0	48
Sep 2025	26	13	0	39
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Nov 2025	48	39	4	91
Dec 2025	5	8	0	13

Cumulative views and downloads (calculated since 05 Oct 2015)

Month	HTML	PDF	XML	Total
Oct 2015	40	35	2	77
Nov 2015	18	17	2	37
Dec 2015	22	9	2	33
Jan 2016	72	34	2	108
Feb 2016	51	24	1	76
Mar 2016	30	12	0	42
Apr 2016	27	19	0	46
May 2016	18	16	5	39
Jun 2016	14	8	4	26
Jul 2016	15	12	3	30
Aug 2016	24	11	5	40
Sep 2016	17	13	3	33
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Feb 2017	33	14	3	50
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Apr 2017	47	13	3	63
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Jul 2017	32	14	2	48
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Oct 2017	33	12	1	46
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Mar 2018	25	16	0	41
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Jan 2025	18	4	1	23
Feb 2025	24	9	6	39
Mar 2025	33	14	4	51
Apr 2025	19	14	1	34
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Jun 2025	49	12	0	61
Jul 2025	29	14	3	46
Aug 2025	34	14	0	48
Sep 2025	26	13	0	39
Oct 2025	33	24	2	59
Nov 2025	48	39	4	91
Dec 2025	5	8	0	13

Latest update: 06 Dec 2025

Short summary

This paper describes a new method to produce spatially and temporally calibrated NDSI-based satellite snow cover maps utilizing simultaneously captured terrestrial photographs as in situ information. First results confirm a high quality of the produced satellite snow cover maps and emphasize the need for calibration of the NDSI threshold value to ensure a high accuracy and reproduciblity. The software "PRACTISE V.2.1" was developed to automatically process the photographs and satellite images.