The using of a quadratic method in the 2-D invers modeling of gravity data to achieve an improved model

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NEJATI KALATEH ALI; Rezaie Mohammad; Moghadasi Meysam; ROSHANDEL KAHOO AMIN

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Journal Paper

Paper Information

Journal: JOURNAL OF ANALYTICAL AND NUMERICAL METHODS IN MINING ENGINEERING Year:2020 | Volume:10 | Issue:24 Page(s): 77-86

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Information Journal Paper

Title

The using of a quadratic method in the 2-D invers modeling of gravity data to achieve an improved model

Author(s)

NEJATI KALATEH ALI | Rezaie Mohammad | Moghadasi Meysam | ROSHANDEL KAHOO AMIN | Issue Writer Certificate

Keywords

Inverse problem

Quadratic programming

Gravity

ُSulfide deposit

San Nicolas

Mexic

Abstract

The inversion of Gravity data is one of the most important steps in interpretation these data. The purpose of this work is to estimate the distribution of the unknown sub surface model by the measured data on the ground. The main problem in inversion of the data obtained from the operation of Gravity survey is the non-uniqueness response due to the inversion of geophysical data. Linear inversion of Gravity data is a underdetermined and bad-condition. It is important to determine the optimal regularization parameter for inversion of Gravity data. One of these methods is the Generalized Cross Validation (GCV). In this research, the quadratic method has been used as an optimization method. This method has three algorithms, a trust region, an internal point and an active set method. These three algorithms will be checked for the duration of the inversion implementation as well as the stability of each of these algorithms against noise. In order to validate the proposed method, used the Gravity data from two synthetic models and Gravity data from Mobrun copper mine in the state of Quebec, Canada.

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APA: Copy

NEJATI KALATEH, ALI, Rezaie, Mohammad, Moghadasi, Meysam, & ROSHANDEL KAHOO, AMIN. (2020). The using of a quadratic method in the 2-D invers modeling of gravity data to achieve an improved model. JOURNAL OF ANALYTICAL AND NUMERICAL METHODS IN MINING ENGINEERING, 10(24 ), 77-86. SID. https://sid.ir/paper/404203/en

Vancouver: Copy

NEJATI KALATEH ALI, Rezaie Mohammad, Moghadasi Meysam, ROSHANDEL KAHOO AMIN. The using of a quadratic method in the 2-D invers modeling of gravity data to achieve an improved model. JOURNAL OF ANALYTICAL AND NUMERICAL METHODS IN MINING ENGINEERING[Internet]. 2020;10(24 ):77-86. Available from: https://sid.ir/paper/404203/en

IEEE: Copy

ALI NEJATI KALATEH, Mohammad Rezaie, Meysam Moghadasi, and AMIN ROSHANDEL KAHOO, “The using of a quadratic method in the 2-D invers modeling of gravity data to achieve an improved model,” JOURNAL OF ANALYTICAL AND NUMERICAL METHODS IN MINING ENGINEERING, vol. 10, no. 24 , pp. 77–86, 2020, [Online]. Available: https://sid.ir/paper/404203/en

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