Outline Satellite Urban Waters Context OBservatory Objectives - PDF document

SUWOBI ‐ Satellite Urban Waters OBservatory Initiative Outline Satellite Urban Waters • Context OBservatory • Objectives Initiative • Workplan • Participants THE SUWOBI PROJECT • Budget SATELLITE URBAN WATERS OBSERVATORY INITIATIVE THE SUWOBI PROJECT SUWOBI ‐ Satellite Urban Waters OBservatory Initiative SUWOBI ‐ Satellite Urban Waters OBservatory Initiative The context The context Increasing the need for • Degradation of urban lake water quality monitoring receiving systems Assessment of human • Increase of uses and human pressure activities’ effects on water • Urban aquatic environments : urban lakes • Environmental regulation quality – Very high social value (recreation, …) • Stakeholders need – Data at a relevant time scale • State of the art : – Warning systems for management purposes – London Lakes Project • Bathing authorisation • Hydraulic control – PROLIPHYC – Forecast systems for management purposes too – Remote sensing Water quality, Finland • Modification of treatment processes in a drinking water treatment plant • Maintenance of water bodies (aesthetic value, …) SUWOBI ‐ Satellite Urban Waters OBservatory Initiative SUWOBI ‐ Satellite Urban Waters OBservatory Initiative Objectives and work plan 1) Social and economical studies • Objectives: • Study of the regulation context • rise accurate data which are able to easily adjust to – Water quality international regulation for uses and changes water bodies (WHO recomandations, European directives) • provide support for the water policy – Water quality national regulation for uses and water • give information to the public on time in agreement with bodies the local social context. • Field survey : • Work Plan – Local regulation – Local main stakeholders (managers of uses, electives, – Year 1 : Preliminary fieldwork, setup of systems non governmental organisation representatives…) – Year 2 : Field Surveys and data collection – Local needs and problems for water quality – Year 3 : Data coupling and dissemination of results

SUWOBI ‐ Satellite Urban Waters OBservatory Initiative SUWOBI ‐ Satellite Urban Waters OBservatory Initiative 2) Development of water quality assessment tool Fixed monitoring sites • Setup of sensors, collection and transmission of data • Satellite data • Data Coupling Non fixed monitoring sites ‐ Manually operated SUWOBI ‐ Satellite Urban Waters OBservatory Initiative SUWOBI ‐ Satellite Urban Waters OBservatory Initiative “Traditional” water quality monitoring Water quality monitoring – the importance of spatial variations How to select monitoring sites? … SUWOBI ‐ Satellite Urban Waters OBservatory Initiative SUWOBI ‐ Satellite Urban Waters OBservatory Initiative Water quality monitoring Sensor’s Remote control Observation of water bodies with satellite data State of the art Outline of water bodies Organic pollutions Water temperatures Sedimentation processes ..... Advantages: + Coverage of large areas + Derivation of many water related parameters + Fast correspondence “real time possible” + Diversity of satellite sensors for special purposes www.nasa.org

SUWOBI ‐ Satellite Urban Waters OBservatory Initiative SUWOBI ‐ Satellite Urban Waters OBservatory Initiative Organic pollution (algae, multispectral) Temperatures (infrared) Outline of water bodies www.nasa.org www.nasa.org www.nasa.org SUWOBI ‐ Satellite Urban Waters OBservatory Initiative SUWOBI ‐ Satellite Urban Waters OBservatory Initiative Sedimantation (multispectral) Computation of sediment heights Precise observation of surface properties Detailed measurements of water quality in different water depths Spatial resolution of data Outstanding criteria www.nasa.org www.nasa.org SUWOBI ‐ Satellite Urban Waters OBservatory Initiative SUWOBI ‐ Satellite Urban Waters OBservatory Initiative Bourget Lake 3) Case studies/Project areas 3.1 Bourget lake, French Alpes 3.2 Muna Reservoir, Bogota – Colombia 3.3 Taihu Lake, China Surface : 4 450 ha Uses : water supply, recreation, flooding control

SUWOBI ‐ Satellite Urban Waters OBservatory Initiative SUWOBI ‐ Satellite Urban Waters OBservatory Initiative Muña Reservoir SUWOBI ‐ Satellite Urban Waters OBservatory Initiative SUWOBI ‐ Satellite Urban Waters OBservatory Initiative Taihu Lake Different uses of water due • to the water quality Maximun Level Minimun Level 750 Ha 420 Ha Types and uses of Tai hu Lake Ⅲ 77% Ⅳ 14% Ⅴ 6% ＜Ⅴ 3% July, 2003 SUWOBI ‐ Satellite Urban Waters OBservatory Initiative SUWOBI ‐ Satellite Urban Waters OBservatory Initiative Floating water collection device Stable water collection station

SUWOBI ‐ Satellite Urban Waters OBservatory Initiative SUWOBI ‐ Satellite Urban Waters OBservatory Initiative SUWOBI ‐ Satellite Urban Waters OBservatory Initiative SUWOBI ‐ Satellite Urban Waters OBservatory Initiative 4 Schedule/Work Plan 5) Participants • LEESU (Cereve), Ecole des Ponts Paristech Year 1 Year 2 Year 3 Task 1 2 3 4 5 6 7 8 9 10 11 12 1 2 3 4 5 6 7 8 9 10 11 12 1 2 3 4 5 6 7 8 9 10 11 12 Initial Workshop (to be held in France) (France) Assessment of uses and social economic studies Selection of sensors and parameters Preliminar field work • Cisalb (France) Preparation of satellite data Setup of transmition system Setup of sensor's remote control using GPS ‐ based devices • Los Andes University (Bogota, Colombia) Intermediate Workshop 1 (To be held in China) Field work Coupling sensor data and satellite data • EAAB – EMGESA – EEB (Bogota, Colombia) Intermediate Workshop 2 (to be hedl in Colombia) Developing alerts system using a web ‐ based interface Result's disemination • Nanjing University (China) Final Workshop (To be held in France) • State Key Laboratory of Lake Science and Environment (China) • University of Innsbruck (Austria) SUWOBI ‐ Satellite Urban Waters OBservatory Initiative SUWOBI ‐ Satellite Urban Waters OBservatory Initiative 6) Budget France – LEESU (Cereve) Colombia

SUWOBI ‐ Satellite Urban Waters OBservatory Initiative SUWOBI ‐ Satellite Urban Waters OBservatory Initiative 7) Results and outlook China – Nanjing University Innovative method to derive water quality data for urban water bodies Distributed data in a very high spatial and temporal resolution Transfer of the methodology to other project areas Data basis for public, stakeholders and scientists Early warning system SUWOBI ‐ Satellite Urban Waters OBservatory Initiative