Spot 5 Take 5

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Spot 5 Take 5 - Description

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 | . Wageningen. Background. ID: 409237 Download Presentation

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Spot 5 Take 5




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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 |

Wageningen

Slide2

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 Use

Slide3

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 daysRapidEye65 km5 m55 daysSPOT-4 60 km20 m45 daysLandsat-8 185 km30 m1116 days

Slide4

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 Congo

Slide5

Combined SPOT 4 & RE Coverage

98% of the area covered by 3 images or more

Gabon test site

Slide6

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 Use

Slide7

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 processingESA / CNES will contact international partners like other space agencies and international initiatives e.g. GFOI, GEOGLAM, JECAM

ESA UNCLASSIFIED – For Official Use

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