黑龙江省地震台网浅源地震定位方法对比

应用黑龙江省数字遥测地震台网2002-2006年目录数据,对绥棱采石场附近爆破进行重新定位,对比GPS实测位置,研究该黑龙江省数字地震台网“十五”数据处理软件系统（MSDP 人机交互系统）提供的5种定位程序,初步认为,对于网内浅源地震定位,单纯型法优于其他方法。     

"国家数字地震台网分中心地震波形数据管理和服务"系统

国家数字地震台网分中心负责分析处理国家数字地震台网和区域有人值守数字地震台网的资料,为了更好地使这些数据在实际应用中发挥作用,分中心开发研制了一套地震波形数据的管理和服务系统。     

当前地震勘探仪器的应用技术分析

本文对当前地震数据采集记录系统(地震仪器)的结构与使用状况进行了分类和分析．介绍了408UL、IMAGE、ARIES、BOX、IT等目前最常用的几种大型有线或无线地震仪器;介绍了目前地震仪器采用的∑-△型的ADC技术、网络遥测技术、多进制数字调制技术、蜂窝技术以及GPS时钟同步技术等多种新技术．从目前地震勘探所面临的环境及保护、勘探成本、勘探效益、勘探精度等问题出发,阐述了仪器所面,临的道数和传感器等问题,认为地震仪器应该向传感、定位、采集、传输一体化的高度智能自由组合系统发展。     

内蒙古地区地方性震级的量规函数研究

选取2008年1月~2015年11月内蒙古测震台网81个台站所记录的6342次地震事件,基于震级残差统计方法,计算了81个台站单台震级与台网平均震级的偏差、平均偏差和标准偏差。分析认为,BHS等6个台站震级偏差较大的原因可能是台站场地响应放大、台基风化等。台基校正前、后单台震级平均偏差值ΔMLi随震中距的变化曲线显示,曲线形态基本未有大的改变,台基校正后较之前震级平均偏差绝对值降低0.01,表明台基对地方性震级偏差的影响不大。同时,进行了81个台站的台基校正获得了内蒙古新量规函数,结果表明,全国量规函数除了震中距为0~120km时适合于内蒙古地区以外,其余情况下均偏高,不符合内蒙古地区的特征。因此,本文修定了全国量规函数,得到了校正后的内蒙古地区量规函数。     

Characterizing production‐induced anisotropy of fractured reservoirs having multiple fracture sets

Since natural fractures in petroleum reservoirs play an important role in determining fluid flow during production, knowledge of the orientation and density of fractures is required to optimize production. This paper outlines the underlying theory and implementation of a fast and efficient algorithm for upscaling a Discrete Fracture Network (DFN) to predict the fluid flow, elastic and seismic properties of fractured rocks. Potential applications for this approach are numerous and include the prediction of fluid flow, elastic and seismic properties for fractured reservoirs, model‐based inversion of seismic Amplitude Versus Offset and Azimuth (AVOA) data and the optimal placement and orientation of infill wells to maximize production. Given that a single fracture network may comprise hundreds of thousands of individual fractures, the sheer size of typical DFNs has tended to limit their practical applications. This paper demonstrates that with efficient algorithms, the utility of Discrete Fracture Networks can be extended far beyond mere visualization.     

农居地震安全技术网络服务系统的内容和原理.

针对目前农村房屋建造技术不科学,并且人们获取地震安全知识受时间和空间的限制等问题,本文介绍了基于网络环境面向用户的“农居地震安全技术网络服务系统”的建设内容.该系统包含了信息自动筛选、处理分析及信息整编等关键技术,可实现农居建造的抗震设防、场址选择、基础及结构选型的自动组合、合理筛选,为农民工匠、基层技术人员提供农居地震安全方面的初步技术信息.同时,本中还介绍了农居地震安全咨询软件的设计目标、主要内容和功能,重点讨论了系统的关键技术及其特点.     

中国大陆地壳运动观测研究进展

本文利用国家重大科技基础设施“中国大陆构造环境监测网络”1972个站两期GNSS观测资料绘制2009—2011年中国大陆地壳运动图。 该图反映了2011东日本大地震同震形变对我国东部地壳运动及变形状态的巨大影响, 也反映2008汶川地震和2001昆仑山口西地震震后变形对青藏高原构造应力场的调整过程, 较为完整地展示印度板块挤压下青藏高原的变形状态。     

Morphological change of natural pipe outlets in blanket peat

Peatlands are important carbon stores and many have natural pipes (tunnels) that transport water and carbon. Pipes are often viewed as passive and slowly changing features of peatland landscapes, particularly for sites that are relatively undisturbed by land management. However, there is a lack of data on pipe morphology change over time. This paper presents the first survey of natural pipe outlets in a peatland in which morphological changes in pipe outlets through time were measured. Three surveys of natural pipe outlets between 2007 and 2010 were conducted in a 17.4 ha, relatively undisturbed, blanket‐peat‐covered catchment in northern England. 27 of the 91 pipe outlets mapped in the first survey had perennial discharge and these outlets were significantly larger and shallower than those from ephemerally‐flowing pipes. The cross‐sectional area of 85% of pipe outlets changed (increased or decreased) during the study, with 20% of pipe outlet areas changing by more than 50 cm² (equivalent to a median 207 % change in area for this upper fifth of pipes) up to a maximum of 312 cm² for one pipe outlet. During the study, 18 pipe outlets completely infilled, while four new ones appeared. Mean pipe outlet area increased between August 2007 and July 2009 but decreased from July 2009 to April 2010. The largest changes in pipe morphology occurred between July 2009 and April 2010, which spanned the coldest winter for 31 years in the UK. During this period there was a significant increase in the proportion of vertically‐elongated pipes and a decrease in the proportion of circular pipes. Pipe outlet morphology in blanket peat catchments is shown to be dynamic and may respond relatively quickly to changes in flow or extreme events, linked to short‐term changes in weather and hence potentially to longer‐term changes in climate or land management. Copyright © 2011 John Wiley & Sons, Ltd.     

陆态网络资料综合信息管理系统的开发

通过使用一系列设计程序将陆态网络多种类型文档资料批量导入Oracle数据库中,并基于B/S(浏览器/服务器)模式,实现陆态网络资料信息数据的管理,专线远程登陆、图形化交互式检索和打印等功能.     

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