Download pdf - Présentation PowerPoint · 06/01/2020 1 + Using EO for monitoring and managing threats over water resources Saline water Oceans 97 % Freshwater 2% Glaciers and snow Underground freshwater

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Page 1: Présentation PowerPoint · 06/01/2020 1 + Using EO for monitoring and managing threats over water resources Saline water Oceans 97 % Freshwater 2% Glaciers and snow Underground freshwater

06/01/2020

1

+

Using EO for monitoring and managing threats

over water resources

Saline water

Oceans 97 %

Freshwater

2%

Glaciers and snow

Underground freshwater

Surface freshwater

30 %

1 %

69%

Freshwater distribution

© INSIGHT / DAVAR 2019

Threats to water resources

Underground water

Surface water

Water intakes

Catchment

IrrigationDrilling

Intake types

Directs

Human intakes

Drilling

Coastal waters

Saltwater

Freshwater

Groundwater ContaminatedFreshwater

SaltwaterIntrusion

Drilling

Drilling

© INSIGHT / DAVAR 2019

Threats to water resources

Indirects

Global changes

Watershed Health

• Sea Level Rise

• Climate Changes

• Population growth

© INSIGHT / DAVAR 2019

Remote sensing as a DATA source

Measuring phenomenas

Producing reliable and up to date maps

Erosion Invasive species Wildfires

➢ Impacting both Quality & Quantity

© INSIGHT / DAVAR 2019

Studied area

Noumea

N 166.250

S 21

.982

Bare soil

Vegetation

Shadow

Surface fresh water

Mining activities

Natural vegetation

Shadow

Surface fresh water

Natural erosion

Roads & dirtroads

From Data to

value-added

information

Erosion

© INSIGHT / DAVAR 2019

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3 4

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Page 2: Présentation PowerPoint · 06/01/2020 1 + Using EO for monitoring and managing threats over water resources Saline water Oceans 97 % Freshwater 2% Glaciers and snow Underground freshwater

06/01/2020

2

Invasive species

© INSIGHT / DAVAR 2019

The visible

Humain perception

The thermal

Hotspot activity

The infra-red

Vegetation activity

From Data to

value-added

information

Wildfires

© INSIGHT / DAVAR 2019

Studied area

Noumea

N 166.250

S 21

.982

Agriculture & pasture

Natural vegetation

Burnt areas

Mining

Agriculture &

pasture

Burnt areas

Mining

17%

27%

Natural vegetation

42%

12%

Global watershed assessment

© INSIGHT / DAVAR 2019

Multiple threats

assessment

Benefits

Consistency

Pooling resources

Multi-scale monitoring (temporal and spatial)

Mining impacts

Agriculture increase

Intensive intakes

Sea level rise

Forest fragmentation

Domestic pressure

Wildfire threat

© INSIGHT / DAVAR 2019

+

Vinaka ! Oléti ! Tank you tumas !

Jean MASSENET – INSIGHT SAS / Pearl WINSHESTER – DAVAR-GNC

[email protected] / [email protected]

7 8

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