BibTex Citation Data :
@article{BULOMA15736, author = {Indra Prasetyawan and Lilik Maslukah and Azis Rifai}, title = {Pengukuran Sistem Karbon Dioksida (Co2) Sebagai Data Dasar Penentuan Fluks Karbon Di Perairan Jepara}, journal = {Buletin Oseanografi Marina}, volume = {6}, number = {1}, year = {2017}, keywords = {CO2; Karbon Anorganik; Fisika-Kimia Perairan}, abstract = { Sistem CO 2 dalam perairan adalah dalam bentuk gas (CO 2 ), asam bikarbonat, ion bikarbonat dan ion karbonat. Jumlah total dari semua bentuk sistem CO 2 disebut konsentrasi total CO 2 [∑CO 2 ] dan sering disebut karbon anorganik terlarut ( Dissolved Inorganic Carbon /DIC). Keberadaan karbon anorganik ini berperan penting dalam reaksi kimiawi di dalam perairan. Pertukaran (fluks) karbon anorganik juga berperan penting dalam mengontrol pH di laut dan juga menentukan perairan sebagai source karbon (sumber) atau sink karbon (penyimpan). Perbedaan tekanan parsial karbon menentukan pertukaran antara atmosfir dan lautan. Untuk mengetahui variabilitas pertukaran CO 2 antara laut dan atmosfer diperlukan pengukuran sistem CO 2 . Tujuan utama dari penelitian ini adalah mengkaji distribusi spasial karbon anorganik terlarut di Perairan Jepara dan hubungannya dengan faktor-faktor fisika-kimia perairan yang meliputi suhu, pH, alkalinitas, salinitas dan DO. Metode penelitian yang digunakan dalam penelitian ini adalah kuantitatif. Pengukuran karbon anorganik terlarut, alkalinitas dan oksigen terlarut menggunakan metode titrasi. Hasil analisa data ditampilkan dalam bentuk peta sebaran dengan menggunakan program ArGIS. Berdasarkan hasil penelitian di Perairan Jepara diperoleh kesimpulan sebagai berikut bahwa semua stasiun kecuali stasiun 11 memiliki nilai temperatur berkisar antara 29 – 30 0 C, hal ini dikarenakan pengukuran berada di perairan terbuka dan dekat dengan daratan sehingga energi matahari lebih efektif meningkatkan temperatur air laut. Nilai salinitas terendah berada di Stasiun 1 yang letaknya berada di mulut muara Sungai Serang dengan nilai 28.7 0 / 00 , hal ini di karenakan adanya masukan air tawar yang memiliki salinitas yang rendah.Kandungan DO yang rendah berkisar 2.4 ppm – 2.56 ppm dikarenakan masuknya bahan-bahan organik ke perairan Jepara sehingga membutuhkan oksigen yang banyak untuk menguraikannya.Dari hasil analisis di laboratorium terhadap 12 sampel air laut Perairan Jepara, menunjukkan bahwa kandungan CO 2 berkisar antara 4.6 ppm – 24.1 ppm. Stasiun 1 dan Stasiun 2 yang terletak di dekat muara Sungai Serang memiliki kandungan CO 2 yang lebih besar dibandingkan Stasiun-Stasiun lainnya. CO2 in the water system is in gaseous form (CO2), the bicarbonate acid, bicarbonate ions and carbonate ions. The total amount of all forms of the CO2 system called total concentration of CO2 [ΣCO2] and is often called the dissolved inorganic carbon (Dissolved Inorganic Carbon / DIC). The existence of inorganic carbon plays an important role in the chemical reactions in the water. Exchange (flux) inorganic carbon is also important in controlling pH in the ocean and also determines the waters as a source of carbon (sources) or a carbon sink (storage). Differences partial pressure of carbon determines the exchange between the atmosphere and oceans. To determine the variability of the exchange of CO2 between the ocean and atmospheric CO2 system measurement required. The main objective of this study is to examine the spatial distribution of dissolved inorganic carbon in the waters of Jepara and its association with factors physico-chemical marine waters of pH, alkalinity, salinity and chlorophyll. The method used in this research is quantitative. Measurement of dissolved inorganic carbon, alkalinity and dissolved oxygen using titration methods. Results of analysis of the data shown in the form of distribution maps using ARGIS program. Based on the result of research of Jepara Waters, inferred that all Stations except Station 11 has temperature value ranged 29 – 30 0 C, it is caused that the measurements conducted in open ocean and close to land therefore sun energy more effective to increase sea water temperature. The lowest salinity at the Station 1 located at the mouth of Serang River is 28.7 0 / 00 , it is caused by the existence of river discharge which has low salinity. The low DO ranged 2.4 ppm – 2.56 ppm caused by the input of organic materials into Jepara Waters. According to analysis result at the laboratorium to 12 water samples in the Jepara Waters, showing the value of CO 2 ranged from 4.6 ppm – 24.1 ppm. Station 1 and Station 2 that are located at the river mouth contain higher CO 2 than the other stations. }, issn = {2550-0015}, pages = {9--16} doi = {10.14710/buloma.v6i1.15736}, url = {https://ejournal.undip.ac.id/index.php/buloma/article/view/15736} }
Refworks Citation Data :
Sistem CO2 dalam perairan adalah dalam bentuk gas (CO2), asam bikarbonat, ion bikarbonat dan ion karbonat. Jumlah total dari semua bentuk sistem CO2 disebut konsentrasi total CO2 [∑CO2] dan sering disebut karbon anorganik terlarut (Dissolved Inorganic Carbon/DIC). Keberadaan karbon anorganik ini berperan penting dalam reaksi kimiawi di dalam perairan. Pertukaran (fluks) karbon anorganik juga berperan penting dalam mengontrol pH di laut dan juga menentukan perairan sebagai source karbon (sumber) atau sink karbon (penyimpan). Perbedaan tekanan parsial karbon menentukan pertukaran antara atmosfir dan lautan. Untuk mengetahui variabilitas pertukaran CO2 antara laut dan atmosfer diperlukan pengukuran sistem CO2. Tujuan utama dari penelitian ini adalah mengkaji distribusi spasial karbon anorganik terlarut di Perairan Jepara dan hubungannya dengan faktor-faktor fisika-kimia perairan yang meliputi suhu, pH, alkalinitas, salinitas dan DO. Metode penelitian yang digunakan dalam penelitian ini adalah kuantitatif. Pengukuran karbon anorganik terlarut, alkalinitas dan oksigen terlarut menggunakan metode titrasi. Hasil analisa data ditampilkan dalam bentuk peta sebaran dengan menggunakan program ArGIS. Berdasarkan hasil penelitian di Perairan Jepara diperoleh kesimpulan sebagai berikut bahwa semua stasiun kecuali stasiun 11 memiliki nilai temperatur berkisar antara 29 – 300C, hal ini dikarenakan pengukuran berada di perairan terbuka dan dekat dengan daratan sehingga energi matahari lebih efektif meningkatkan temperatur air laut. Nilai salinitas terendah berada di Stasiun 1 yang letaknya berada di mulut muara Sungai Serang dengan nilai 28.70/00, hal ini di karenakan adanya masukan air tawar yang memiliki salinitas yang rendah.Kandungan DO yang rendah berkisar 2.4 ppm – 2.56 ppm dikarenakan masuknya bahan-bahan organik ke perairan Jepara sehingga membutuhkan oksigen yang banyak untuk menguraikannya.Dari hasil analisis di laboratorium terhadap 12 sampel air laut Perairan Jepara, menunjukkan bahwa kandungan CO2 berkisar antara 4.6 ppm – 24.1 ppm. Stasiun 1 dan Stasiun 2 yang terletak di dekat muara Sungai Serang memiliki kandungan CO2 yang lebih besar dibandingkan Stasiun-Stasiun lainnya.
CO2 in the water system is in gaseous form (CO2), the bicarbonate acid, bicarbonate ions and carbonate ions. The total amount of all forms of the CO2 system called total concentration of CO2 [ΣCO2] and is often called the dissolved inorganic carbon (Dissolved Inorganic Carbon / DIC). The existence of inorganic carbon plays an important role in the chemical reactions in the water. Exchange (flux) inorganic carbon is also important in controlling pH in the ocean and also determines the waters as a source of carbon (sources) or a carbon sink (storage). Differences partial pressure of carbon determines the exchange between the atmosphere and oceans. To determine the variability of the exchange of CO2 between the ocean and atmospheric CO2 system measurement required. The main objective of this study is to examine the spatial distribution of dissolved inorganic carbon in the waters of Jepara and its association with factors physico-chemical marine waters of pH, alkalinity, salinity and chlorophyll. The method used in this research is quantitative. Measurement of dissolved inorganic carbon, alkalinity and dissolved oxygen using titration methods. Results of analysis of the data shown in the form of distribution maps using ARGIS program. Based on the result of research of Jepara Waters, inferred that all Stations except Station 11 has temperature value ranged 29 – 300C, it is caused that the measurements conducted in open ocean and close to land therefore sun energy more effective to increase sea water temperature. The lowest salinity at the Station 1 located at the mouth of Serang River is 28.70/00, it is caused by the existence of river discharge which has low salinity. The low DO ranged 2.4 ppm – 2.56 ppm caused by the input of organic materials into Jepara Waters. According to analysis result at the laboratorium to 12 water samples in the Jepara Waters, showing the value of CO2 ranged from 4.6 ppm – 24.1 ppm. Station 1 and Station 2 that are located at the river mouth contain higher CO2 than the other stations.
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