Penting untuk pengelolaan wilayah pesisir, ditarik dengan menghancurkan hampir sebagian besar wilayah pesisir yang tepat dan juga eksistensi, bentuk terbentang sifatnya. Tujuan dari penelitian ini adalah mengkaji parameter fisik hidro-oseanografi dan bathimetri perairan pantai Tatapaan. Dari hasil penelitian, distribusi arus permukaan memiliki kecepatan 0,01 - 0,9 m/detik dalam duapuluh sampel pengamatan. Sedangkan arus maksimum (Umax) diukur pada kedalaman 0.8d sama dengan 0,60 m / detik. Mulai sekarang, tipe pasang surut dari hasil analisis harmonik pasang surut selama 15 hari pengamatan ditunjukkan oleh nisbah Formzahl yaitu 0,40 diartikan sebagai pasang surut semi-diurnal, yaitu satu hari ada dua kali air tinggi dan dua kali air surut. Selain itu, informasi tentang survei batimetri di pantai Tatapaan, variasi kedalaman ditunjukkan dengan morfologi pantai yang diidentifikasi dari 48 profil mengikuti contoh pantai curam dan miring.
Masalah penelitian ini adalah kontribusi limbah domestik terhadap kualitas air sungai Tondano-Sawangan Sulawesi Utara. Penelitian ini bertujuan untuk mengkaji tentang kontribusi limbah domestik penduduk di bantaran sungai Sawangan terhadap kualitas air sungai Tondano-Sawangan Sulawesi Utara. Metode penelitian yang digunakan adalah deskriptif kuantitaf. Teknik pengumpulan data dikumpulkan dari hasil pengambilan sampel di dua lokasi dan perhitungan labolatorium dan dokumentasi yang ada dilapangan. Parameter yang diukur di laboratorium adalah derajat keasaman atau pH, Biochemilcal Oxygen Demand (BOD), Chemical Oxygen Demand (COD), Total Suspended Solid (TSS), Amoniak, dan Total Coliform. Hasil penelitian menunjukkan kualitas air Sungai Tondano-Sawangan mengalami penurunan kualitas dari hulu ke hilir yang disebabkan oleh limbah domestik penduduk. Parameter yang dominan memberikan kontribusi nilai indeks pencemar yang tinggi adalah parameter biologi yaitu total coliform. Pencemaran air yang disebabkan oleh kontaminasi limbah toilet merupakan masalah yang cukup serius, dikarenakan adanya potensi penularan penyakit oleh pathogen. Kandungan Total coliform yang terdapat pada air sungai bagian hulu sebesar 24200 MPN/100ml sedangkan bagian hilir sebesar 19900 MPN/100ml, sudah melebihi nilai ambang batas standar baku mutu sesuai Standar Nasional Indonesia. Batas maksimum Cemaran Total Coliform yaitu 3000 MPN/100ml, dengan demikian dapat dikatakan bahwa mutu air sungai Sawangan sudah tidak aman lagi untuk di konsumsi bagi masyarakat, namun untuk kegiatan rekreasi, tambak ikan, dan lain sebagainya masih aman. Parameter lain seperti BOD, COD, pH, TSS, Amonia, masih aman karena berada dibawah standar Baku Mutu.Kata Kunci: Limbah Domestik , Kualitas Air, Pencemaran Air, Baku Mutu
The Community Service program entitled The Improvement of Bepang Cake Quality Production and Marketing is focused on 4 main activities, namely (1) counseling on institutional strengthening and group members as partners, (2) counseling on dialogue strategies to equalize perceptions, (3) training on management map preparation Bepang cake product development problems, and (4) training on the preparation of a roadmap for the management of problems developing Bepang cake products in order to improve product quality. These activities are aimed at (1) identifying and managing problems related to institutions and partner group members, (2) providing knowledge / insights about common perceptions strategies, in order to reach an agreement between institutional leaders and members regarding the management of institutional problems and members. , as well as improving the quality and marketing of Bepang cakes, (3) providing knowledge / insights to partners on how to manage group problems, in the form of problem management maps, and (4) roadmaps for implementing institutional and member strengthening programs, as well as quality improvement programs. and product marketing to provide clear directions for program implementation, carry out assistance, monitor and evaluate work processes and results. The final goal is to empower members of partner organizations / groups to resume business, improve the quality of production and marketing of Bepang cakes. Specific targets are (1) the spirit of group members' efforts to revive, (2) quality products, (3) varied flavors, (4) attractive packaging, (5) favorable prices, (6) independence and responsibility in doing business. . The method used is the lecture method, participatory method. The results are as follows: Phase I, institutional strengthening of group members (LM3) through counseling activities on management systems, training as a basis for being able to produce outputs as intellectual property rights how to seek innovations to increase the quality of Bepang cake production, including Industrial product design (draft ) so that it is feasible to sell at a higher price and how to independently break through the accessibility of marketing at the national, even global level. The second stage is evaluating the results of work in developing the processing of Cakes Bepang products that are of higher quality and accompanying the search for marketing accessibility. The 3rd stage, improving the quality of Industrial product design technology, so that it is feasible to sell at a higher price and how to independently break through better marketing accessibility at the national and global levels
The assessment of river estuary physical erosion can be based on position and time distribution of velocity and sediment transport. The physical variables are partially or integratedly used to assess the flow characteristics. Analysis of the physical variables and their changes along the river estuary can show the process of sediment deposition in the estuary. Data distribution and flow physical variable profile will generate mathematical function of changes along the estuary. Spatially, this mathematical function will generate and determine the position of the material transport deposition (map of sediment deposition in along the estuary of the river). The material transport deposition map (based on the valueof (c0), presents the contours of c0 during the low tide (presented in the form of curves/ full line), while the contours of c0 during the high tide (is presented in the form of dashed lines). The concentration contour of material transport at high tide is at the position of 80 meters of c0 equals 1.35 grams per litter, at low tide c0 equals 1.36 grams per litter, and at the maximum high tide, almost all sediment is in the form of fine sand sediment deposited at the position of 0 meter up to the position of 280 meters, the c0 value is equal to 1.26 grams per litter. It can be seen in the contour map the shifting position or contour lines at low tide and high tide, and when the tide is shifted farther to the upstream of shoreline. Contour lines shift to the upstream 1004 Maxi Tendean direction of shoreline at high tide shows the position shift of deposition of material transport to the upstream direction. In this condition, the concentration of sediment in the form of fine sand at the maximum high tide, almost all of it is deposited at the location next to shoreline upstream.
The increase in population and development activities results in an increase in land use for settlements in an area over a certain period of time. The research objective is to determine changes in residential land in Beo District, Talaud Regency from 2014 to 2019. The research method is descriptive qualitative with an analytical approach using a geographic information system. Based on data processing, the land area for the residential area of Beo District in 2014 was 139.7 Ha and in 2019 it was 149.1 Ha. The results of data analysis show that changes in residential land in Beo District, Talaud Regency from 2014 to 2019 have increased, amounting to 9.4 Ha. The rate of land change for settlements in the Beo sub-district within the 5 year period is still classified as very low.
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