Introduction to Water Quality Software and Modeling in Environmental Science
This informative content delves into various software used for monitoring water quality, mathematical modeling in natural ecosystems, and the importance of key parameters like DO, BOD, pH, and more in managing freshwater bodies. It also discusses watershed modeling, tools like BASINS, and the role of EPA in environmental protection. Overall, the text provides valuable insights into the field of water quality management and environmental science.
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Presentation Transcript
Pengenalan beberapa Software Kualitas Air Ir. Moh Sholichin MT., Ph.D
Filosofi Dasar 1. GENERAL Pemodelan matematika ecosistem alamiah dimulai dengan mengidentifikasi hal penting faktor fisik, kimia dan proses biologi yang relevan dengan sistem yang diteliti. Rumus matematika kemudian dapat dikembangkan dalam bentuk persamaan tunggal sederhana atau persamaan yang kompleks. Hasil dari solusi analitis atau numerik dari persamaan ini kemudian diverifikasi dengan data lapangan yang sebenarnya. Seluruh proses kadang-kadang perlu diulang-2 dalam suatu kasus jika hasilnya kurang memuaskan (Kiely 1998)
Formulasi matematika dari karakteristik DAS, sungai dan aliran sungai, karakteristik air limbah dan kualitas air di sungai ini digunakan untuk mengelola secara optimal badan air tawar. Beban limbah masuk ke dalam sungai dari kedua Sumber Titik (PS) dan Non Titik Sumber (NPS). Total Maximum Daily Load (TMDL) adalah jumlah diijinkan banyak polutan tunggal dari semua titik kontribusi dan sumber non titik. Beban total estimasi harus menyertakan nilai keamanan tertentu untuk ketidakpastian suatu Model dan variasi musiman untuk memastikan bahwa badan air dapat digunakan untuk tujuan yang ditunjuk yang dimaksud: Secara matematis dapat ditulis sebagai;
Parameter Utama DO BOD COD pH NITROGEN PHOSPOR SUHU Ecoli Coliform Alga
Watershed Modeling Watershed models play an important role in linking sources of pollutants to receiving waterbodies as nonpoint source loads. Watershed models are driven by precipitation, landuse, imprevious areas, slope, soil types and drainage area. GIS programs like BASINS and WCS provide the data that is needed for watershed models to predict both water and pollutant runoff from a watershed.
Antara lain: EPA (Environmental Protection Agency) http://www.epa.gov/athens/wwqtsc/html/to ols.html BASIN (Better Assessment Science Integrating Point and Nonpoint Sources (BASINS) Watershed Assessment Model (WAM) Storm Water Management Model (SWMM) Loading Simulation Program in C++ (LSPC) Watershed Analysis Risk Management Framework (WARMF)
Groups USDA (United States Department of Agriculture. Website http://www.nrcs.usda.gov/wps/portal/nrcs /detailfull/national/water/quality AGNPS (AGricultural Non-Point Source Pollution Model SWAT (soil water assessemnt Tool , http://swat.tamu.edu/
Water Quality Models Water Quality Analysis Simulation Program (WASP) River and Stream Water Quality Model (QUAL2K) AQUATOX is a simulation model for aquatic systems One Dimensional Riverine Hydrodynamic and Water Quality Model (EPD-RIV1)
http://www.nrcs.usda.gov/wps/portal/nrcs/detailfull/natio nal/water/quality/?&cid=stelprdb1043591 http://www.nrcs.usda.gov/wps/portal/ nrcs/detailfull/national/water/quality/? &cid=stelprdb1043591
