| ชื่อเรื่อง | : | Seabed topography and distribution of manganese nodules in the Central Indian Ocean |
| นักวิจัย | : | Pattan, J.N. , Kodagali, V.N. |
| คำค้น | : | - |
| หน่วยงาน | : | National Institute Of Oceanography (NIO), India |
| ผู้ร่วมงาน | : | - |
| ปีพิมพ์ | : | 2531 |
| อ้างอิง | : | Mahasagar, vol.21, 7-12 , http://drs.nio.org/drs/handle/2264/54 |
| ที่มา | : | - |
| ความเชี่ยวชาญ | : | - |
| ความสัมพันธ์ | : | - |
| ขอบเขตของเนื้อหา | : | - |
| บทคัดย่อ/คำอธิบาย | : | The relationship between seabed topography and distribution of nodules, recovery of free fall grab samplers, nodule size and chemical composition of manganese nodules in the Central Indian Ocean have been studied. Nodule abundance was greater (4.2 kg/m2) in rugged topography (hill tops, slopes, and valleys) than in the abyssal plains (2.3 kg/m2). Similarly, the recovery of grab samplers was more from rugged topographic areas (66%) than from the plains (47.5%). Nodules of <40 mm size was greater in number in all the topographic environments. Mn/Fe ratio was least (2.2) for nodules from hill taps whereas it was maximum for those from the plains (4.4). Cu+Ni+Co compositioin varied antipathetically with nodule abundance in the Central Indian Ocean. |
| บรรณานุกรม | : |
Pattan, J.N. , Kodagali, V.N. . (2531). Seabed topography and distribution of manganese nodules in the Central Indian Ocean.
: National Institute Of Oceanography (NIO), India. Pattan, J.N. , Kodagali, V.N. . 2531. "Seabed topography and distribution of manganese nodules in the Central Indian Ocean".
: National Institute Of Oceanography (NIO), India. Pattan, J.N. , Kodagali, V.N. . "Seabed topography and distribution of manganese nodules in the Central Indian Ocean."
: National Institute Of Oceanography (NIO), India, 2531. Print. Pattan, J.N. , Kodagali, V.N. . Seabed topography and distribution of manganese nodules in the Central Indian Ocean. : National Institute Of Oceanography (NIO), India; 2531.
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