TAILIEUCHUNG - ENVIRONMENTAL INFORMATION SYSTEM FOR ANALYSIS AND FORECAST OF AIR POLLUTION (APPLICATION TO SANTIAGO DE CHILE)

A useful aspect of freshwater sponge biology, particularly for the purposes of an undergraduate lab module, is the fact that they enter diapause as small gemmules. Gemmules are overwintering balls that are produced in the late summer/early fall by the adult sponge. They are the size of the period at the end of this sentence. Adult tissue disintegrates around the gemmule during the winter, and a new sponge emerges from the gemmules in the spring. The newly developing sponge exits the gemmule from a micropyle, and then quickly spreads around the gemmule. In a. | ENVIRONMENTAL INFORMATION SYSTEM FOR ANALYSIS AND FORECAST OF AIR POLLUTION APPLICATION TO SANTIAGO DE CHILE Marcelo Arenas1 Leopoldo Bertossi1 Loreto Bravo1 Laura Gallardo2 Achim Sydow3 1 Pontificia Universidad Catolica de Chile Casilla 306 Santiago 22 Chile e-mail bertossi@ 2 Comisión Nacional del Medio Ambiente Obispo Donoso 6 Santiago 22 Chile e-mail lgallardo@ 3 GMD FIRST Kekuléstr. 7 D-12489 Berlin Germany e-mail sydow@ KEY WORDS Environmental science Dynamic models Model integration Decision support systems Forecasting ABSTRACT In Santiago de Chile and other cities in Chile air pollution is a dramatic problem. An Environmental Information System EIS based on air quality models is extremely valuable in order to support users in governmental administrations and industry with forecasting and operative decision-making as well as short to long-term regional planning. Using a model-based EIS for air pollution it is possible i to study complex source receptor relationships ii to optimize air pollution abatement strategies either locally or in a larger region and iii to forecast the air quality for urban and industrial regions. The paper presents issues of a joint project of Universidad Catolica de Chile and GMD FIRST which objectives are the exchange of know how in the fields of EIS design and the use of air quality models the installation of a model-based EIS for air pollution for Santiago de Chile including the acquisition of necessary input data the study of the particularities of the Santiago region and the demonstration of the functionality of the EIS in terms of analysis and forecast of air pollution. INTRODUCTION The city of Santiago S W is located in a basin bounded by the high Andes 4500 m altitude on average in the central part of Chile. To the east a lower parallel mountain range to the west 1500 m altitude on average and two east-to-west mountain chains to the north and south of the basin respectively. Nearly one

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