ESA UNCLASSIFIED For Official Use Frank Martin Seifert EO Science and Applications Division ESA Earth Observation Programmes GFOIGOFCGOLD Expert WS 1 October 2014 Wageningen Background ID: 409237
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Slide1
Spot 5 Take 5
ESA UNCLASSIFIED – For Official Use
Frank Martin Seifert
EO Science and Applications Division
ESA Earth Observation Programmes
GFOI/GOFC-GOLD
Expert
WS | 1
October
2014 |
WageningenSlide2
Background
Spot-5 will deorbit
in Q2/Q3 2015CNES has proposed to repeat the Take5 R&D activity with the Spot 5 satellite. The first '
Spot4/Take5
' was done in early 2013 and consisted in lowering
the Spot-4 satellite to put it in a 5-days repeat mode, similar to Sentinel-2A/B.ESA decided to support a 'Spot5/Take5’ experiment in 2015 within the mandate of the Earthnet Third Party Mission Program (TBC by PBEO)A feasibility study for sites needs to be done before year end by CNES, in order to prepare the orbit change end of Q1/2015
ESA UNCLASSIFIED – For Official UseSlide3
Simulated Sentinel-2 Time Series
(in partnership with Take 5 initiative of CNES/CESBIO)
14 ESA sites,
globally distributed with international partners
Multi-sensor & multi-temporal data set
(February-June 2013)
Forest
Marine
Agriculture
Wetlands
http
://due.esrin.esa.int/s2t5.
php
Swath
Resolution
Bands
Revisit
Sentinel-2
290 km
10 m - 20 m
13
5 days
RapidEye
65
km
5 m
5
5 days
SPOT-4 60 km20 m45 daysLandsat-8 185 km30 m1116 daysSlide4
Forestry: Multi-temporal Methods
Multi-temporal experiment will look specifically on methods to:
Reduce effects of clouds and cloud shadows by multi-temporal pixel mosaicking in cloud persistent areasProvide early warning of deforestation and detection of forest degradation based on frequent change detection
290 km
10 meters resolution
RapidEye
over CongoSlide5
Combined SPOT 4 & RE Coverage
98% of the area covered by 3 images or more
Gabon test siteSlide6
Experiment benefits
cover a larger part of the
vegetation period in the Northern hemisphere (1. April to 31. August 2015 - with Spot-4 it was January to June 2013assuming a 5-day revisit over 5 months, thus resulting 30-35 images per site have an improved data quality, with a variety of modes
wrt
Spot4/Take5 (
10m, likely 5m TBC, 2.5m excluded)have a much higher number of sites that could be acquired, however a conflict-free plan has to be agreed based on a mission study executed with CNES before year’s end
;
The
main restriction
for the number of sites are the
production cost for each product
in addition to the funding of the experiment
ESA UNCLASSIFIED – For Official UseSlide7
Next Steps
Prepare
a list: name, coordinate or kml/shape, number of spot products required to cover once, purpose, in-situ data, application relevant for multi-temporal? – at the end of this workshop (3 Oct
)
frank.martin.seifert@esa.intPriority for processing: 1 = top priority, 2 = backup, 3 = you might have funds for processing
ESA / CNES will contact
international partners
like other space agencies and international initiatives e.g. GFOI, GEOGLAM, JECAM
ESA UNCLASSIFIED – For Official Use