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首页> 外文期刊>SN Applied Sciences >Curie point depth and heat flow deduced from spectral analysis of magnetic data over Adamawa volcanic region (Northern Cameroon): geothermal implications
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Curie point depth and heat flow deduced from spectral analysis of magnetic data over Adamawa volcanic region (Northern Cameroon): geothermal implications

机译：从Adamawa火山地区（北喀麦隆北部）磁数据光谱分析所推断的居里点深度和热流：地热影响

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摘要

This study presents an estimation of Curie point depth (CPD), heat flow and geothermal gradient from spectral analysisover the Adamawa volcanic region (northern Cameroon). The spectral analysis method is applied to the reduced-toequator(RTE) magnetic anomaly data of the region. Grid Earth Magnetic Anomaly (EMAG2) data were divided into 17zones. RTE magnetic anomaly data were low-pass filtered to remove the effects of topography. Then, the data weretransformed into the Fourier domain in order to determine the spectrum of the magnetic anomaly data for the studyregion. Then, the depth values are used to estimate the CPD, the geothermal gradient (GG) and the heat flow in theAdamawa region of Cameroon (Central Africa). The acquired results indicate that the CPD varies between 15.97 and41.16 km with an average of 27.52 km. GG varies between 14.09 and 36.31 °C km~(−1) with an average of 22.27 °C km~(−1)and the resulting heat flow varies between 35.23 and 90.78 mW m~(−2) with an average of 55.68 mW m−2. The variation inheat flow and GG shows an abnormal geothermal condition of the area. It is found that there is a geothermal potentialprecisely at Woulndé in the Adamawa region. The obtained results can serve as a guide for government and privatepartners to explore this energy source.
机译：本研究介绍了光谱分析的居里点深度（CPD），热流和地热梯度的估计在Adamawa火山地区（北部喀麦隆）。光谱分析方法应用于减速度（RTE）该地区的磁异常数据。网格地球磁异常（EMAG2）数据分为17区域。 RTE磁异常数据是低通滤波，以消除地形的影响。然后，数据是转换为傅立叶域，以确定研究的磁异常数据的频谱地区。然后，深度值用于估计CPD，地热梯度（GG）和热流喀麦隆（非洲）的Adamawa地区。所获得的结果表明CPD在15.97之间变化41.16公里，平均为27.52公里。 GG在14.09和36.31°C km〜（-1）之间变化，平均为22.27°C km〜（-1）所得到的热流在35.23和90.78mw m〜（-2）之间变化，平均为55.68 mw m-2。变异热流和GG显示该地区的异常地热状况。结果发现有地热潜力精确地在Adamawa地区沃林德。获得的结果可以作为政府和私人的指南合作伙伴探索这种能源。

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  • 来源
    《SN Applied Sciences》 |2020年第8期|1330.1-1330.16|共16页
  • 作者

    Kasi Njeudjang; Janvier Domra Kana; Ahmat Tom; Jean Marcel Abate Essi; Noël Djongyang; Rene Tchinda;

  • 作者单位

    Department of Renewable Energy National Advanced School of Engineering of Maroua University of Maroua PO. Box: 46 Maroua Cameroon Department of Quality Industrial Safety and Environment Faculty of Mines and Petroleum Industries University of Maroua PO. Box: 46 Maroua Cameroon;

    Department of Renewable Energy National Advanced School of Engineering of Maroua University of Maroua PO. Box: 46 Maroua Cameroon Department of Mines Petroleum and Water Resource Exploration Faculty of Mines and Petroleum Industries University of Maroua PO. Box: 46 Maroua Cameroon;

    Department of Energy Engineering University Institute of Technology University of Ngaoundere PO. Box: 455 Ngaoundere Cameroon;

    Ore Processing Laboratory Institute for Geological and Mining Research PO. Box: 4110 Nlongkak Yaounde Cameroon;

    Department of Renewable Energy National Advanced School of Engineering of Maroua University of Maroua PO. Box: 46 Maroua Cameroon;

    Laboratoire D’Ingenierie Des Systèmes Industriels Et de L’Environnement(LISIE) Fotso Victor University Institute of Technology University of Dschang PO. Box: 134 Bandjoun Cameroon;

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  • 正文语种 eng
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  • 关键词

    Curie point depth; Heat flow; Spectral analysis; Geothermal gradient; Energy;

    机译：居里点深;热流;光谱分析;地热梯度;活力;

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