地质创造学及其在知识创新中的意义

地质创造学根据创造学中的综合原理 ,将地质学与创造学结合成一门交叉性学科。地质创造学主要研究地学领域中的理论和实践的创造活动 ,探索地学的创造过程、创造原理及其思维的特点、规律和方法。     

碳酸盐裂隙油气藏地震特征响应及应用探讨

根据地震特征参数,利用ＢＰ网络进行油气预测是一种常用的地球物理方法。作者在此基础上,根据已知裂隙油气藏,通过特征参数优化,在裂隙油气藏中,寻找到一组油气响应较强的地震特征参数,并用这些特征参数进行裂隙油气藏的识别,效果比例用全部地球特征油气识别要好。     

两种类型裂隙介质的弹性常数分析

作者在 Hudson关于裂隙介质假设的条件下 ,分析了含随机取向裂隙介质和两组取向裂隙介质的弹性常数矩阵。结果表明 :含随机取向的裂隙介质等效于各向同性介质 ,含两组取向的裂隙介质为各向异性介质 ,并给出弹性常数矩阵中各分量的具体表达式     

埕岛海域海底冲淤的初步数值研究

从沉积动力学的角度,在分析实测和历史资料的基础上,首先总结出埕岛海域的海底冲淤变化规律,尔后通过潮流场的模拟,数值求解输沙方程,以研究埕岛海域的海底冲淤.初步探讨运用数值模拟手段来研究海底冲淤变化.     

洞庭湖区湿地生物资源特征及生态系统评价

洞庭湖湿地是我国最大的淡水湖泊湿地生态景观系统,生态资源十分丰富,其中植物资源1428种,鸟类资源216种,鱼类资源119种,哺乳类22种,两栖爬行类27种及其它大量的野生生物资源。根据生物资源的分布状对湖区湿地生态系统进行了分类,即环湖丘岗生态系统,湖州草滩生态系统,湖岸带生态系统,浅水层生态系统、深水层生态系统。在此基础上,对湖区湿地生态系统的功能效益进行了综合评价。按直接利用价值和间接利用价值进行了分类,最后对湿地生物资源保护和开发中存在的问题,并就今后本区湿地生物资源的保护和利用提出了一些设想和建议。     

中国资源环境科学数据的发展规划

本文描述了中科院资源环境科学数据中心的建设情况,有助于读者对中国资源环境科学数据的发展增加认识和了解。     

Environmental anomalies in the northeastern East China Sea during the last 3 000 years:implications for El Nio activity in the Holocene

To reconstruct the productivity changes for the last 10 500 a in the northeastern East China Sea (ECS),biogenic compounds (such as carbonate,organic carbon and opal),marine micropaleontological fossils (planktonic foraminifera,benthic foraminifera,radiolarian and silicoflagellate) and the compositional characters of benthic foraminifera fauna analyses were carried out on a sediment core DOC082 obtained from the western slope of Okinawa Trough (29°13.93'N,128°08.53'E;1 128 m water depth).The long-term changes of biogenic and micropaleontological proxies display some similarities through the last 10 500 a,which show three different phases:lower values are recorded during the early and middle Holocene (before about 4 000 a BP),followed by an abrupt and remarkable increase at about 4 000 a BP,the late Holocene (after about 3 000 a BP) is characterized by continuously high values.The multi-proxy data of paleoproductivity and percents of benthic foraminifera genera (Uvigerina and Bulimina) show that during the early and middle Holocene (10 500-4 000 a BP) productivity was relatively low with a sudden and distinct increase at about 4 000 a BP,and the late Holocene (3 400-0 a BP) is marked by significantly higher productivity.Also,the radiolarian-based sea surface temperature (SST) records reveal a distinct decline in SST in the late Holocene after 3 200 a BP,very different from the early and middle Holocene.For the last 3 000 a,the enhanced biological productivity and distinctly lower SST indicate a major change of oceanographic conditions in the northeastern ECS.These marine environmental anomalies are consistent with other paleoclimatic records for the late Holocene in the Chinese continent and its surrounding regions.After analyzing the mechanisms of modern productivity and SST changes in the northeastern ECS,and based on the climatic anomalies in the Chinese continent and variations in the Kuroshio Current during modern El Nio periods,we suggest that the anomalous environmental conditions in the northeastern ECS may imply intensified El Nio activity during the late Holocene.     

地理信息技术支持的“多规合一”——以常州市新北区为例

开展"多规合一"是推进生态文明建设、新型城镇化建设,落实供给侧改革的必然要求。本文以地理信息技术为基础,以土地利用规划为底盘,统一城乡规划、环保规划、农业发展规划等的空间基础;以经济社会发展规划为目标协调各规划,划定永久基本农田保护红线、生态保护红线、城市开发边界,实施严格的空间管控。最后,以常州市新北区为试验区,分析各规划的差异并落实重点项目,引导国土空间有序开发,优化资源空间配置,形成国土空间开发规划"一张图"。     

廊坊地区土壤重金属污染程度评价

利用河北省多目标地球化学调查资料,研究了廊坊地区表层土壤中重金属元素As、Cd、Cr、Hg、Pb的富集特征与污染程度.与我国土壤元素背景值相比,廊坊地区表层土壤中Hg的富集系数较大;与研究区元素背景值相比,Cd、Hg富集系数较大,富集程度依次为Hg＞ Cd＞ Pb＞ Cr＞ As.地积累指数污染评价结果表明,以全国土壤...