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All Journal International Journal of Hydrological and Environmental for Sustainability
Brahme, Nameeta
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Agriculture, Biological Sciences & Forestry Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Earth & Planetary Sciences Environmental Science

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Mapping Blue Economy Potential Using Spatial Statistical Downscaling Model: Analysis of the Impact of Climate Change on Freshwater Fish Resources Aghnyn, Mutiara; Rachmawati, Rofah Nur; Abdurrazzaq, Achmad; Brahme, Nameeta; Dixit, Aparna; Hadap, Arti
International Journal of Hydrological and Environmental for Sustainability Vol 3, No 1 (2024): International Journal of Hydrological and Environmental for Sustainability
Publisher : CV FOUNDAE

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58524/ijhes.v3i1.440

Abstract

Blue Economy is a sustainable economic concept that focuses on utilizing economic resources in marine, coastal and land ecosystems. Sustainable use of freshwater resources in the blue economy for inland waters supports economic growth with environmental balance. The Statistical Downscaling method is used to understand the impact of climate change on freshwater fish resources. To carry out mapping of the potential of the blue economy, it is carried out by statistical downscaling modeling with satellite variables with Integrated Nested Laplace Approximation parameter estimates. The response variable is satellite variables in the form of average rainfall. The modeling results show that Kalipuro District has the highest blue economy potential, while Kalibaru has the lowest. From the research results, that satellite data on average rainfall is a strong basis for printing statistical downscaling, increasing efficiency with open source digital data sources. Satellite data integration, maximizing analysis and comprehensive blue economy potential efficiency.
The Effectiveness of Sump Dimension Design: A Case Study in Nickel Mining Kapugu, Excellentia Riane; Adnyano, A.A. Inung Arie; Prastowo, Rizqi; Zamroni, Akhmad; Kaur, Manmeet; Brahme, Nameeta
International Journal of Hydrological and Environmental for Sustainability Vol 1, No 1 (2022): International Journal of Hydrological and Environmental for Sustainability
Publisher : CV FOUNDAE

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1322.095 KB) | DOI: 10.58524/ijhes.v1i1.69

Abstract

The presence of water in mining activities is common, especially in tropical areas that have high rainfall, such as the research location at PT ANTAM Maluku Utara at the Moronopo Site. While the sump maintenance needs to be considered so that the sump can accommodate the incoming discharge. The purpose of this research is to calculate the total discharge entering the mine and to design the dimensions of the sump according to the incoming water discharge. The research method used is the Gumbel method starting from the analysis of rainfall data at the research location starting in 2004-2013 and then continuing with 2019-2020 data, the planned rainfall value is 96.56 mm/day, rainfall intensity is 15.63 mm/day hours with a rain return period of 25 years and a hydrological risk of 18.46 % and the total inflow of mine water is 17,556 m3/hour. After calculating the sump capacity in the Danis 2 area, it still has not accommodated the incoming discharge with the remaining unaccommodated discharge of 2,319.1 m3/hour.
Co-Authors A.A Inung Arie Adnyano, A.A Inung Arie Abdurrazzaq, Achmad Aghnyn, Mutiara Akhmad Zamroni Dixit, Aparna Hadap, Arti Kapugu, Excellentia Riane Manmeet Kaur Rachmawati, Rofah Nur Rizqi Prastowo