Articles | Volume 19, issue 11
Hydrol. Earth Syst. Sci., 19, 4441–4461, 2015
https://doi.org/10.5194/hess-19-4441-2015
Hydrol. Earth Syst. Sci., 19, 4441–4461, 2015
https://doi.org/10.5194/hess-19-4441-2015

Research article 05 Nov 2015

Research article | 05 Nov 2015

SACRA – a method for the estimation of global high-resolution crop calendars from a satellite-sensed NDVI

S. Kotsuki and K. Tanaka

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Interactive discussion

Status: closed
Status: closed
AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision
ED: Reconsider after major revisions (12 May 2015) by Alexander Loew
AR by Shunji Kotsuki on behalf of the Authors (31 Jul 2015)  Author's response    Manuscript
ED: Referee Nomination & Report Request started (10 Aug 2015) by Alexander Loew
RR by Anonymous Referee #2 (31 Aug 2015)
ED: Publish subject to minor revisions (Editor review) (16 Sep 2015) by Alexander Loew
AR by Shunji Kotsuki on behalf of the Authors (05 Oct 2015)  Author's response    Manuscript
ED: Publish as is (15 Oct 2015) by Alexander Loew
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Short summary
This study aims to develop a new global data set of a satellite-derived crop calendar (SACRA) and to reveal its advantages and disadvantages compared to other global products. The cultivation period of SACRA is identified from the time series of NDVI; therefore, SACRA considers current effects of human decisions and natural disasters. The difference between the estimated sowing dates and other existing products is less than 2 months (< 62 days) in most areas.