鄂东罗田县地热资源丰富,发育多处地热田,但对各地热田的系统性研究不足。选取该县4处典型地热田,通过分析地热流体的水化学、C-H-O同位素特征,探讨地热流体的成因和各地热田的相关性。结果表明,区内地热流体属蒸汽型水,水化学类型主要...鄂东罗田县地热资源丰富,发育多处地热田,但对各地热田的系统性研究不足。选取该县4处典型地热田,通过分析地热流体的水化学、C-H-O同位素特征,探讨地热流体的成因和各地热田的相关性。结果表明,区内地热流体属蒸汽型水,水化学类型主要为SO 4-Na·Ca型和SO 4-Ca·Na型;硅焓模型估算地热流体热储温度为144~195℃,冷水混入比例为66.6%~76.3%;C-H-O同位素组成指示地热流体由大气降水补给,年龄为4490~10290 a BP。综合分析认为,区内地热田主要受控于区域性NE向断裂,自东北向西南(白庙河→姚家嘴→许家冲/三里畈地热田),总体表现出地热流体的径流距离、Cl-与Na+浓度、热储温度、化学平衡程度等逐渐升高的特征,推断白庙河、姚家嘴、许家冲地热田属同一地热系统(东安河地热系统)。研究成果对东安河地热系统乃至更大区域的地热资源勘查工作具有指导意义。展开更多
We conduct a field survey of the status quo of planting and industrial development of Poria cocos in Luotian County.The results show that at present,Luotian County develops a set of standardized Poria cocos cultivatio...We conduct a field survey of the status quo of planting and industrial development of Poria cocos in Luotian County.The results show that at present,Luotian County develops a set of standardized Poria cocos cultivation technique,and some areas use the guideline of "four changes" to plants Poria cocos.The main problems faced by planting of Poria cocos currently are as follows:insufficient popularization of standardized Poria cocos cultivation technique;low processing level of Poria cocos;chaotic source of germplasm;lack of science and technology input;single industrial development pattern;shortage of well-known brands of products.In accordance with the above findings,we put forward the following recommendations:extensively promoting the guideline of " four changes";focusing on development and utilization of Poria cocos byproducts;implement listing-for-sales to clarify the source of Poria cocos strain;tightening the bonds with research institutes and large enterprises to promote science and technology input into Poria cocos;encouraging the coexistence of diverse industrial development pattern.展开更多
文摘鄂东罗田县地热资源丰富,发育多处地热田,但对各地热田的系统性研究不足。选取该县4处典型地热田,通过分析地热流体的水化学、C-H-O同位素特征,探讨地热流体的成因和各地热田的相关性。结果表明,区内地热流体属蒸汽型水,水化学类型主要为SO 4-Na·Ca型和SO 4-Ca·Na型;硅焓模型估算地热流体热储温度为144~195℃,冷水混入比例为66.6%~76.3%;C-H-O同位素组成指示地热流体由大气降水补给,年龄为4490~10290 a BP。综合分析认为,区内地热田主要受控于区域性NE向断裂,自东北向西南(白庙河→姚家嘴→许家冲/三里畈地热田),总体表现出地热流体的径流距离、Cl-与Na+浓度、热储温度、化学平衡程度等逐渐升高的特征,推断白庙河、姚家嘴、许家冲地热田属同一地热系统(东安河地热系统)。研究成果对东安河地热系统乃至更大区域的地热资源勘查工作具有指导意义。
基金Scientific and Technological Project of Huanggang Science and Technology Bureau (200878)
文摘We conduct a field survey of the status quo of planting and industrial development of Poria cocos in Luotian County.The results show that at present,Luotian County develops a set of standardized Poria cocos cultivation technique,and some areas use the guideline of "four changes" to plants Poria cocos.The main problems faced by planting of Poria cocos currently are as follows:insufficient popularization of standardized Poria cocos cultivation technique;low processing level of Poria cocos;chaotic source of germplasm;lack of science and technology input;single industrial development pattern;shortage of well-known brands of products.In accordance with the above findings,we put forward the following recommendations:extensively promoting the guideline of " four changes";focusing on development and utilization of Poria cocos byproducts;implement listing-for-sales to clarify the source of Poria cocos strain;tightening the bonds with research institutes and large enterprises to promote science and technology input into Poria cocos;encouraging the coexistence of diverse industrial development pattern.
