Anggraini, Aknan (2016) Prediksi Degradasi Cadangan Karbon Its Setelah Realisasi Master Plan Its Surabaya. Undergraduate thesis, Institut Teknologi Sepuluh Nopember Surabaya.
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Abstract
Pembangunan di ITS (Institut Teknologi Sepuluh Nopember) terus mengalami peningkatan. Berdasarkan baseline tahun 2013, luasan bangunan mengalami kenaikan 10-20%. Di sisi lain, dengan adanya pembangunan tersebut ITS berpotensi kehilangan aset penyerap CO2 dan cadangan karbon yang dimilikinya. Gas CO2 saat berada di udara mampu menyerap gelombang dengan panjang gelombang 4,26 Aum (asymmetric stretching vibration mode). Hal ini dapat menyebabkan peningkatan suhu udara sekitar 1oC untuk setiap kenaikan 100 ppm gas CO2. Untuk itu, gas ini harus tersimpan pada carbon pool dan tidak terlepas secara bebas di udara. Guna meminimalisasi efek negatif tersebut maka perlu dilakukan kajian terkait potensi degradasi cadangan karbon ITS berdasarkan master plan pembangunan ITS.
Dampak langsung dari kegiatan pembangunan ialah menurunnya cadangan karbon atas permukaan (above-ground carbon stocks) dan bawah permukaan (below-ground carbon stocks). BAP (biomassa atas permukaan) terdiri dari tumbuhan atas dan tumbuhan bawah yang dianalisis menggunakan metode analisis vegetasi dan inventariasi/jelajah. Diameter dan tinggi tumbuhan diukur untuk mengetahui besar cadangan karbon tumbuhan atas lalu diolah menggunakan rumus alometrik. Sedangkan untuk tumbuhan bawah dilakukan sampling pada plot pengukuran 2 x 2 m. Sampel kemudian dioven pada suhu 105oC selama 2 x 24 jam hingga mencapai berat konstan dan ditimbang berat keringnya. Carbon pool lain yakni bawah permukaan dilakukan perhitungan berdasarkan nilai cadangan karbon BAP.
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Kemampuan carbon pool eksisting ITS dalam menyimpan cadangan karbon perluasan terbesar pada zona 1 yakni 39,3 tonCO2/Ha dan terkecil pada zona 6 yakni sebesar 3,3 tonCO2/Ha, sedangkan cadangan karbon total ITS tahun 2016 ialah sebesar 1423,34 tonCO2. Degradasi cadangan karbon ITS tahun 2025 diprediksikan sebesar 1.672,88 ton karbon dan kehilangan aset penyerap CO2 sebesar 6.139,48 tonCO2. Kegiatan penanaman tanaman dadap merah (872 pohhon), angsana (838 pohon), bunga kupu-kupu (782 pohon) pada zona 6, bunga kupu-kupu (780 pohon), mahoni (526 pohon), kiara payung (418 pohon) pada zona 5, dadap merah (870 pohon), angsana (838 pohon), kiara payung (418 pohon) pada zona 2, beringin (762 pohon), mahoni (526 pohon), kiara payung (418 pohon) pada zona 3, dan beringin (762 pohon), mahoni (526 pohon), kiara payung (418 pohon) pada zona 1 direkomendasikan guna meminimalisasi potensi penurunan cadangan karbon
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Development in ITS (Institute of Technology) continues to increase. Based on the baseline in 2013, building area has increased by 10-20%. On the other hand, with the development in ITS potentially lost assets CO2 absorber and its carbon stock. In the air, CO2 is able to absorb wavelengths 4.26 Aum (asymmetric stretching vibration mode). This can cause an increase in air temperature of about 1oC for each increment of 100 ppm CO2. So that, this gas must be stored on a carbon pool and not separated freely in the air. In order to minimize the negative effects it is necessary to study the potential degradation associated carbon stocks based ITS’ master plan development.
The direct impact of construction activity is declining reserves of carbon on the surface (above-ground carbon stocks) and bottom surface (below-ground carbon stocks). BAP (biomass on the surface) consists of plants above and below the plant. Diameter and plant height were measured to determine the large carbon stocks over the plant and then processed using the formula of alometrik. As for the lower plants do sampling on a plot measuring 2 x 2 m. Samples were put into oven at 105° C for 2 x 24 hours until reaching a constant weight and then weighed dry weight. Another carbon pool that is below the surface of the calculation based on the value of carbon stocks BAP.
The ability of existing carbon pools ITS in storing carbon stock expansion is the higest in zona 1 that 39,3 tonCO2/Ha and the lowest in zona 6 that 3,3 tonCO2/Ha, while total of carbon reserves expansion ITS in 2016 year in prediction is 1561,7 tonCO2. ITS stock carbon degradation prediction in 2025 is 1849,82 ton of carbon and loss of ability to absord CO2 up to
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6788,82 tonCO2 Investment Activity Plant dadap merah ( 872 pohhon ), Angsana ( 838 trees) , bunga kupu-kupu ( 782 trees) on zone 6, bunga kupu-kupu (780 trees), mahogany (526 trees), kiara payung (418 trees) on zone 5, dadap merah ( 870 trees), angsana ( 838 trees), kiara payung ( 418 trees) on zone 2, beringin (762 trees), mahogany (526 trees), kiara payung (418 trees) on zone 3, and banyan (762 trees), mahogany (526 trees), kiara payung (418 trees) on zone 1 is recommended in order to minimize potential reserves decrease of carbon
| Item Type: | Thesis (Undergraduate) |
|---|---|
| Additional Information: | RSL 363.738 7 Ang p-1 |
| Uncontrolled Keywords: | Carbon Stock, Degradation, CO2 emissions, Master plan, Green open space |
| Subjects: | T Technology > TA Engineering (General). Civil engineering (General) > TA455 Carbon. Nanotubes. |
| Divisions: | Faculty of Civil Engineering and Planning > Environment Engineering > 25201-(S1) Undergraduate Thesis |
| Depositing User: | EKO BUDI RAHARJO |
| Date Deposited: | 17 Apr 2020 01:55 |
| Last Modified: | 17 Apr 2020 01:55 |
| URI: | http://repository.its.ac.id/id/eprint/75820 |
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