Production date: 14 April 2021

PRELIMINARY SATELLITE DERIVED ASSESSMENT IN LALEIA POSTO ADMINISTRATIVO, AND VEMASSE POSTO ADMINISTRATIVO, MUNICIPALITY -LESTE

Status: flood water, affected agriculture and irrigation canal detected

Further action(s): continue monitoring TIMOR-LESTE

Vemasse Laleia

AREA OF INTEREST (AOI)

MUNICIPALITY

POSTO ADMINISTRATIVO MANATUTO AND BAUCAU MUNICIPALITIES

Image center: 008° 32’ 36.7“ S 126° 11’ 07.6“ E

Area of Interests

Municipality boundary

Posto adminstrativo boundary BAUCAU

AOI-2 BAUCAU VEMASSE

Venilale

AOI-1 MANATUTO LALEIA N 1 km

WorldView-2 / 10 APR 2021

3 AOI1-1 LALEIA POSTO ADMINISTRATIVO, MANATUTO MUNICIPALITY

DAMAGED SHORELINE OBSERVED Image center: 008° 30’ 09.0“ S 126° 09’ 44.2“ E

BEFORE AFTER Affected Shoreline

Increased water level

N 300 m

Pleiades / JUL 2019 WorldView-2 / 10 APR 2021

4 AOI1-2 LALEIA POSTO ADMINISTRATIVO, MANATUTO MUNICIPALITY

FLOODED PADDY FIELDS OBSERVED Image center: 008° 32’ 33.0“ S 126° 10’ 11.0“ E

BEFORE AFTERAFTER

Laleia

Potentially Affected Paddy field

Increased Potentially Potentially water Affected Affected level Paddy field Paddy field Affected Shoreline

Irrigation canal

N 100 m

Pleiades / JUL 2019 WorldView-2 / 10 APR 2021

5 AOI1-3 LALEIA POSTO ADMINISTRATIVO, MANATUTO MUNICIPALITY

OVERFLOWED RIVER OBSERVED Image center: 008° 34’ 05.7“ S 126° 10’ 04.9“ E

BEFORE AFTER

Irrigation canal

Water gate

Overflowed evidence

Flooded area

Maximum water extent N 100 m

Pleiades / JUL 2019 WorldView-2 / 10 APR 2021

6 AOI1-4 LALEIA POSTO ADMINISTRATIVO, MANATUTO MUNICIPALITY

FLOODED PADDY FIELDS OBSERVED Image center: 008° 36’ 40.3“ S 126° 08’ 36.6“ E

BEFORE AFTER Raimea

Potentially Affected Paddy field

Increased water level

N 100 m

Pleiades / JUL 2019 WorldView-2 / 10 APR 2021

7 AOI2-1 VEMASSE POSTO ADMINISTRATIVO, BAUCAU MUNICIPALITY

FLOODED AGRICULTURAL ZONE OBSERVED Image center: 008° 30’ 21.2“ S 126° 13’ 03.6“ E

BEFORE AFTER Affected Shoreline

Affected Paddy field

Affected Paddy field

Affected Paddy field

N 200 m

Pleiades / JUL 2019 WorldView-2 / 10 APR 2021

8 AOI2-2 VEMASSE POSTO ADMINISTRATIVO, BAUCAU MUNICIPALITY

INUNDATED WATER ALONG THE IRRIGATION OBSERVED Image center: 008° 31’ 07.7“ S 126° 10’ 48.6“ E

BEFORE AFTER

Irrigation canal Water detected

Water detected

Water detected

Irrigation canal

N 100 m

Pleiades / JUL 2019 WorldView-2 / 10 APR 2021

9 AOI2-3 VEMASSE POSTO ADMINISTRATIVO, BAUCAU MUNICIPALITY

DAMAGED IRRIGATION CANAL OBSERVED Image center: 008° 31’ 11.0“ S 126° 12’ 30.3“ E

BEFORE AFTER

Irrigation canal Inundated Water Affected Paddy field

Inundated Water Damaged irrigation canal

Inundated Water

Irrigation canal

N 100 m

Pleiades / JUL 2019 WorldView-2 / 10 APR 2021

10 SUMMARY OF FINDINGS

• Water in agricultural zone observed in Laleia posto administrativo, Manatuto Municipality [AOI1] and Vemasse posto administrativo, Baucau municipality [AOI 2] as of 10 April 2021

• Overflowed river located nearby the irrigation water gate observed in AOI 1 as of 10 April 2021

• Flooded zones observed along the irrigation canal in AOI 2 as of 10 April 2021

• Damaged irrigation canal detected in AOI 2 as of 10 April 2021

11 COPYRITHS AND SOURCES

Data sources:

(1) Satellite Imagery (post-event)

Satellite : WorldView-2 Acquisition Date : 10 April 2021 Copyright : 2021 Digital Globe Source : USGS-HDDS

(2) Satellite Imagery (pre-event)

Satellite : Pleiades Acquisition Date : July 2019 Copyright : CNES (2020), distribution Airbus D&S Source : Google Earth

(3) Ancillary data

Administrative boundaries : WHO

•

12 @UNOSAT

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