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Towards

the

Realization

of

a

South

African

Satellite

Eutrophication

Monitoring

System:

preliminary

demonstration

SATELLITEMONITORINGOFINLANDANDNEAR

COASTALWATERQUALITYINSOUTHERNAFRICA

MarkMatthews

Universityof

Cape

Town

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Societalgrowth

and

demand

on

water

resourceshaveresultedinincreased

eutrophicationandpollution,oftenresulting

inharmfulalgalblooms.Toxinsproducedby

cyanobacterialalgalbloomsarefoundin

manyofSouthAfricasfreshwatersystems,andareathreattopublicandecosystemhealth.

Thereisanincreasingneedforroutine

observationsofwaterquality,allowing

improvementof

knowledgeand

risk

managementandquantitativeassessment

oftheextentofeutrophication.Thereis

currentlyinsufficientknowledgeand

informationonthestatusandtrendsof

waterqualityandeutrophicationand

substantialgapsinavailabledataarchivesRemotesensingcanplayacrucialrolein

determiningwaterqualitystatusacross

manywaterbodiesinacosteffectiveand

routinemanner;withanabilitytomakea

considerablecontribution

to

both

operationalmonitoringsystems,and

ecosystemresearch.

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SATELLITEMONITORINGOFINLANDAND

NEARCOASTALWATERQUALITYIN

SOUTHERNAFRICA

CENTREFOR

SCIENTIFIC

ANDINDUSTRIAL

RESEARCH:

NATURAL

RESOURCESAND

ENVIRONMENT

DEPARTMENTOF

WATERAND

ENVIRONMENT

DEPARTMENTOF

ENVIRONMENT

MARINEANDCOASTAL

MANAGEMENT

CENTREFOR

HIGH

PERFORMANCE

COMPUTING

UNIVERSITYOF

CAPETOWN

MARINEREMOTESENSINGUNIT

OPERATIONAL

INFRASTRUCTURE,

PROCESSING AND

DISSEMINATION

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SATELLITEMONITORINGOFINLANDAND

NEARCOASTALWATERQUALITYIN

SOUTHERNAFRICA

Nearrealtime

dissemination

tosubSaharanAfricaof

ecosystemrelated

data

Viawww.afrosea.org.za

Multi

scale

MERIS,

MODIS,

AVHRR

and

buoy

basedharmfulalgalbloomdetectionusing

regionalalgorithmsandinsitutechnology

EXPANDINGCURRENT

CAPACITY

TO

INCLUDE

INLANDWATERS

http://www.xn--afrosea-806c.org.za/http://www.xn--afrosea-806c.org.za/http://www.xn--afrosea-806c.org.za/http://www.xn--afrosea-806c.org.za/

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DisseminationDataprocessingandstorage

CORESCIENCE IMPLEMENTATION

USERS

SafeWatersEarthObservation

Systems(SWEOS,CSIR)

MarineRemoteSensingUnit

Researchanddevelopment

EarthObservationR&D

algorithmdevelopment

RELATEDPROJEC

TS

ACTIVITIES

InsituR&D

developmentoflowcost

insitusensors

?

www.afrosea.org.za

http://www.xn--afrosea-806c.org.za/http://www.xn--afrosea-806c.org.za/http://www.xn--afrosea-806c.org.za/http://www.xn--afrosea-806c.org.za/

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MERISFRSDDS

(ESA,

UCT)

Storageandarchive(CSIR,

CHPC)

Dataprocessing

(MRSU,Python,

VisatBEAM)

Applicationofregional

trophicstatus

algorithms(MPHV1.0)

Informationproducts

(Cyano

warnings,chla)

Onlinedistribution

tousers

(www.afrosea.org)

http://www.xn--afrosea-806c.org/http://www.xn--afrosea-806c.org/http://www.xn--afrosea-806c.org/http://www.xn--afrosea-806c.org/http://www.xn--afrosea-806c.org/http://www.xn--afrosea-806c.org/

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October2010

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HartbeespoortDam

Cyanobacteria

Noncyanobacteria

(orchla

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Hartbeespoort

Dam

Surfacescum

Surfacescummaskedoutasland

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INSITUOBSERVATIONS

SATELLITEDATA

August2011

BusinessDayArticle,2011

CSIRdevelopedbuoycollecting

optical,climatological,bio

geochemicaldata.

Gizmo

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VaalDam

Cyanobacterialbloom Surfacescums

Floatingvegetation?

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