DEVELOPMENT, TERRITORIAL DIFFERENCE AND SPATIAL EVOLUTION OF TOWNS IN CHINA

ＤＥＶＥＬＯＰＭＥＮＴ，ＴＥＲＲＩＴＯＲＩＡＬＤＩＦＦＥＲＥＮＣＥＡＮＤＳＰＡＴＩＡＬＥＶＯＬＵＴＩＯＮＯＦＴＯＷＮＳＩＮＣＨＩＮＡ──ＡＤＩＳＣＵＳＳＩＯＮＯＮＴＨＥＶＩＥＷＳＯＦＡＮＴＩ－ＵＲＢＡＮＩＳＭＩＮＣＨＩＮＡ￥ＧｕＣｈａｏｌｉｎＩｎｓｔ...     

LAND RESOURCES SURVEY BY REMOTE SENSING AND ANALYSIS OF LAND CARRYING CAPACITY FOR POPULATION IN TUMEN RIVER REGION

ＬＡＮＤ　ＲＥＳＯＵＲＣＥＳ　ＳＵＲＶＥＹ　ＢＹ　ＲＥＭＯＴＥ　ＳＥＮＳＩＮＧ　ＡＮＤ　ＡＮＡＬＹＳＩＳ　ＯＦ　ＬＡＮＤ　ＣＡＲＲＹＩＮＧ　ＣＡＰＡＣＩＴＹ　ＦＯＲ　ＰＯＰＵＬＡＴＩＯＮ　ＩＮ　ＴＵＭＥＮ　ＲＩＶＥＲ　ＲＥＧＩＯＮＬＡＮＤＲＥＳＯＵＲ...     

HONG KONG DIRECT INVESTMENT IN CHINA＇S MAINLAND： A SPATIAL STUDY WITH SPECIAL REFERENCE TO THE LOCATIONAL BEHAVIOUR OF INVESTORS

ＨＯＮＧ　ＫＯＮＧ　ＤＩＲＥＣＴ　ＩＮＶＥＳＴＭＥＮＴ　ＩＮ　ＣＨＩＮＡ＇Ｓ　ＭＡＩＮＬＡＮＤ：　Ａ　ＳＰＡＴＩＡＬ　ＳＴＵＤＹ　ＷＩＴＨ　ＳＰＥＣＩＡＬ　ＲＥＦＥＲＥＮＣＥ　ＴＯ　ＴＨＥ　ＬＯＣＡＴＩＯＮＡＬ　ＢＥＨＡＶＩＯＵＲ　ＯＦ　ＩＮＶＥＳＴ...     

THE CONSTRUCTION AND ITS DEVELOPMENT OFTHE OVERSEAS TRANSPORT SYSTEM IN NORTHEAST CHINA

ＴＨＥＣＯＮＳＴＲＵＣＴＩＯＮＡＮＤＩＴＳＤＥＶＥＬＯＰＭＥＮＴＯＦＴＨＥＯＶＥＲＳＥＡＳＴＲＡＮＳＰＯＲＴＳＹＳＴＥＭＩＮＮＯＲＴＨＥＡＳＴＣＨＩＮＡＧａｏＳｈａｌｉ（高莎丽）（ＤｅｐａｒｔｍｅｎｔｏｆＧｅｏｇｒａｐｈｙ，ＮｏｒｔｈｅａｓｔＮｏｒｍ...     

THE UNEVEN DEVELOPMENT AND SPATIAL DIFFUSION OF CHINESE CENTRAL CITIES

ＴＨＥ ＵＮＥＶＥＮ ＤＥＶＥＬＯＰＭＥＮＴ ＡＮＤ ＳＰＡＴＩＡＬ ＤＩＦＦＵＳＩＯＮ ＯＦ ＣＨＩＮＥＳＥ ＣＥＮＴＲＡＬ ＣＩＴＩＥＳ ＮｉｎｇＹｕｅＡｎｎ（宁越敏）；ＹａｎＺｈｏｎｇｍｉｎ（严重敏）（ＴｈｅＩｎｓｔｉｔｕｔｅｏｆＧｅｏｇｒａｐ...     

REGULARITIES，CONDITIONSANDTHECOMPREHENSIVEPROSPECTINGMODELOFMICROGRAINED

ＲＥＧＵＬＡＲＩＴＩＥＳ，ＣＯＮＤＩＴＩＯＮＳＡＮＤＴＨＥＣＯＭＰＲＥＨＥＮＳＩＶＥＰＲＯＳＰＥＣＴＩＮＧＭＯＤＥＬＯＦＭＩＣＲＯＧＲＡＩＮＥＤ－ＤＩＳＳＥＭＩＮＡＴＥＤＧＯＬＤＤＥＰＯＳＩＴＳＩＮＮＯＲＴＨＷＥＳＴＥＲＮＧＵＡＮＧＸＩ①ＷａｎｇＪｉ...     

STUDY ON THE SPATIAL DEVELOPMENT OF RURAL AREAS IN CHINA

ＳＴＵＤＹＯＮＴＨＥＳＰＡＴＩＡＬＤＥＶＥＬＯＰＭＥＮＴＯＦＲＵＲＡＬＡＲＥＡＳＩＮＣＨＩＮＡ￥ＺｅｎｇＪｕｘｉｎ（曾菊新）（ＤｅｐｏｒｔｍｅｎｔｏｆＧｅｏｇｒａｐｈｙ，ＨｕａｚｈｏｎｇＮｏｒｍａｌＵｎｉｖｅｒｓｉｔｙ，Ｗｕｈａｎ４３００７０，ＰＲＣ...     

NOVELMODELOFSTRUCTURALCONTROLONGOLDMINERALIZATIONOFSHEARZONETYPEGOLDDEPOSITSINSOUTHCHINA

ＮＯＶＥＬＭＯＤＥＬＯＦＳＴＲＵＣＴＵＲＡＬＣＯＮＴＲＯＬＯＮＧＯＬＤＭＩＮＥＲＡＬＩＺＡＴＩＯＮＯＦＳＨＥＡＲＺＯＮＥＴＹＰＥＧＯＬＤＤＥＰＯＳＩＴＳＩＮＳＯＵＴＨＣＨＩＮＡ——ＡＮＥＸＡＭＰＬＥＦＲＯＭＨＥＴＡＩＧＯＬＤＤＥＰＯＳＩＴＳＡＲＥＡ，...     

ON DEVELOPING ENVIRONMENT AND RESOURCE DEVELOPMENT OF PANZHIHUA

ＯＮ ＤＥＶＥＬＯＰＩＮＧ ＥＮＶＩＲＯＮＭＥＮＴ ＡＮＤ ＲＥＳＯＵＲＣＥ ＤＥＶＥＬＯＰＭＥＮＴ ＯＦ ＰＡＮＺＨＩＨＵＡ ＨｕａｎｇＪｉｎｇ（黄静）（ＲｅｇｉｏｎａｌＥｃｏｎｏｍｉｃＩｎｓｔｉｔｕｔｅ，Ｐｅｏｐｌｅ’ｓＵｎｉｖｅｒｓｉｔｙｏｆＣ...     

THE SATELLITE TOWNS OF METROPOLIS GUANGZHOU：EVOLUTION， INHERENT LINKS WITH THE CENTRAL CITY AND TENDENCIES──A CASE STUDY OFRENHE TOWN

ＴＨＥＳＡＴＥＬＬＩＴＥＴＯＷＮＳＯＦＭＥＴＲＯＰＯＬＩＳＧＵＡＮＧＺＨＯＵ：ＥＶＯＬＵＴＩＯＮ，ＩＮＨＥＲＥＮＴＬＩＮＫＳＷＩＴＨＴＨＥＣＥＮＴＲＡＬＣＩＴＹＡＮＤＴＥＮＤＥＮＣＩＥＳ──ＡＣＡＳＥＳＴＵＤＹＯＦＲＥＮＨＥＴＯＷＮＹａｎＸｉａｏｐｅ...     

Separation of up-going and down-going wave fields of vertical cable data

The vertical cable method for acquiring and processing pre-stack 3-D marine seismic data is based on the technology developed by the US Navy for antisubmarine warfare. In order to achieve the maximum utilization of vertical cable field data, a new separation method of the up-going and down-going wave fields of the vertical cable data processing was developed in this paper, which is different from the separation of the down-going and up-going wave fields of normal VSP data processing. In tests with synthetic modeling data andactual field data, this newly developed method performs well and is also computationally simpler without pre-assumption conditions.     

Wave-electric field coupling imaging diagnostic method for filled subgrade

Thick earth-rock filled embankment of large earthwork volume often occurs during the construction of expressways in mountainous and hilly areas. The compaction quality of earth-rock filled subgrade will directly affect the settlement deformation and stability of the embankment after filled. Therefore, effective evaluation on the compaction quality of the earth-rock filled subgrade is an unsolved critical technical issue to control the construction quality of highway engineering. Based on the wave propagation and electrical resistivity characteristics of the earth and rock fillings, a theoretical model of the compaction quality detection by wave-electric field coupling imaging diagnostic method was established. Then, two filled subgrade models containing cavities and heterogeneous bodies respectively were make separately, and by the wave velocity testing and electrical resistivity testing, the wave-electric field coupling imaging diagnostic method was applied to these two model. The result shows that it is feasible to use the wave testing technique and the electrical resistivity testing technique for a diagnostic test of the subgrade compaction quality. Based on the abnormal areas reflected by the wave velocity imaging and electrical resistivity imaging results, we are able to analyze the scope and site of distress but not able to quantitatively evaluate the subgrade compaction quality. We can accurately qualitatively analyze the subgrade compaction quality based on the wave-electric field coupling calculation model of fill subgrade quality proposed by this paper.     

变偏移距VSP射线追踪模型

变偏移距ＶＳＰ方法以其独特观测方式及解决地质问题的能力而倍受人们关注。变偏移距ＶＳＰ正演模型是理论研究、波场识别的得力工具。本文以射线理论为基础,研制了变偏移距ＶＳＰ射线追踪模型程序,它既可以单独模拟Ｐ波、Ｓ波,也可以模拟Ｐ、Ｐ－ＳＶ波的复合波场,可以适应复杂介质情况。给出的几个例子,说明本方法具有快速、灵活、实用的特点。     

Application of multi-channel two-dimensional transient Rayleigh wave exploration in goaf detection

The transient Rayleigh wave exploration has high detection accuracy in shallow exploration. The effect of detection array is comprehensive reflection of the velocity of rock and soilmass. Therefore, the rolling multi-channel transient acquisition system has been adopted in this study, which turns one dimensional transient Rayleigh wave exploration into two dimensions, consequently, the two-dimensional velocity distribution of rock and soil mass under the survey line has been achieved. Through comparing with the shallow seismic reflected wave exploration, the result indicates that the rolling multi-channel transient acquisition system has accurate resolution. Thus, in the process of the shallow reflected wave exploration, if the surface wave has developed, the coalition between the reflected wave exploration and the two-dimensional transient Rayleigh wave exploration should actualize the accuracy of exp loration.     

Parameterized first-guess spectrum method for retrieving directional spectrum of swell-dominated waves and huge waves from SAR images

A method to retrieve ocean wave spectra from SAR images, named Parameterized First-guess Spectrum Method (PFSM), was proposed after interpretation of the theory to ocean wave imaging and analysis of the drawbacks of the retrieving model generally used. In this method, with additional information and satellite parameters, the separating wave-number is first calculated to determine the maximum wave-number beyond which the linear relation can be used. The separating wave-number can be calculated using the additional information on wind velocity and parameters of SAR satellite. And then the SAR spectrum can be divided into SAR spectrum of wind wave and of swell according to the result of separating wave-number. The portion of SAR spectrum generated by wind wave, is used to search for the most suitable parameters of ocean wind wave spectrum, including propagation direction of ocean wave, phase speed of dominating wave and the angle spreading coefficient. The swell spectrum is acquired by directly inversing the linear relation of ocean wave spectrum to SAR spectrum given the portion of SAR spectrum generated by swell. We used the proposed method to retrieve the ocean wave spectrum from ERS-SAR data from the South China Sea and compared the result with altimeter data. The agreement indicates that the PFSM is reliable.     

Wave extraction with portable high-frequency surface wave radar OSMAR-S

High frequency surface wave radar (HFSWR) has now gained more and more attention in real-time monitoring of sea surface states such as current, waves and wind. Normally a small-aperture antenna array is preferred to a large-aperture one due to the easiness and low cost to set up. However, the large beam-width and the corresponding incorrect division of the first- and second-order Doppler spectral regions often lead to big errors in wave height and period estimations. Therefore, for the HFSWR with a compact cross-loop/monopole antenna (CMA), a new algorithm involving improved beam-forming (BF) and spectral division techniques is proposed. On one hand, the cross-spectrum of the output sequence by the conventional beam-forming (CBF) with all the three elements and the output with only the two loops is used in place of the CMA output self-spectrum to achieve a decreased beam-width; on the other hand, the better null seeking process is included to improve the division accuracy of the first- and second-order regions. The algorithm is used to reprocess the data collected by the portable HFSWR OSMAR-S during the Sailing Competition of the 16th Asian Games held in Shanwei in November 2010, and the improvements of both the correlation coefficients and root-mean-square (RMS) errors between the wave height and period estimations and in situ buoy measurements are obvious. The algorithm has greatly enhanced the capabilities of OSMAR-S in wave measurements.     

Study on the breakwater caisson as oscillating water column facility

The Oscillating Water Column(OWC)wave energy convertor with the advantage of its simple geometrical construction and excellent stability is widely employed. Recently, perforated breakwaters have been often used as they can effectively reduce the wave reflection from and wave forces acting on the structures. Considering the similarity between the compartment of perforated caisson and the air chamber of OWC wave energy convertor, a new perforated caisson of breakwater is designed in this paper. The ordinary caisson is modified by installing facilities similar to the air chamber of OWC convener, but here they are utilized to dissipate the wave energy inside the caisson. Such an arrangement improves the stability of the caisson and reduces the construction cost by using the compartment of perforated caisson like using an air chamber. This innovation has both academic significance and important engineering value. For a new type of caisson, reliability analysis of the structure is necessary. Linear potential flow theory is applied to calculate the horizontal wave force acting on the caisson. The calculated results are compared with experimental data, showing the feasibility of the method. The Importance Sampling Procedure(ISP)is used to analyse the reliability of this caisson breakwater.     

Elastic reverse time migration based on vector wavefield decomposition

Prestack elastic reverse time migration ( RTM) requires multicomponent seismic data .But for multi-component elastic Kirchhoff migration , there is a limitation that ray theory no longer applies if thegeology be-comes complicated .In this paper, the authors have created a new 2D migration context for isotropic , elastic RTM, which included decomposition of the elastic source and receiver wavefields into P and S wave vectors by decoupled elastodynamic extrapolation , which retained the same stress and particle velocity components as the input data .Then we appliedsource-normalized crosscorrelation imaging condition in elastic reverse time migra-tion to compensate the energy of deep strata .We found that the resulting images were nearly identical to the ve-locity model , and the resolution has been improved .Our method is a wavefielddecomposition based on vector , and we can alsoavoid the problem of polarity reversal of converted shear wave imaging .It proved the applicabili-ty of the method proposed in our paper .     

The Characteristics of Storm Wave Behavior and Its Effect on Cage Culture Using the ADCIRC+SWAN Model in Houshui Bay,China

The current storm wave hazard assessment tends to rely on a statistical method using wave models and fewer historical data which do not consider the effects of tidal and storm surge.In this paper,the wave-current coupled model ADCIRC+SWAN was used to hindcast storm events in the last 30 years.We simulated storm wave on the basis of a large set of historical storms in the North-West Pacific Basin between 1985 and 2015 in Houshui Bay using the wave-current coupled model ADCIRC+SWAN to obtain the storm wave level maps.The results were used for the statistical analysis of the maximum significant wave heights in Houshui Bay and the behavior of wave associated with storm track.Comparisons made between observations and simulated results during typhoon Rammasun(2014)indicate agreement.In addition,results demonstrate that significant wave height in Houshui Bay is dominated by the storm wind velocity and the storm track.Two groups of synthetic storm tracks were designed to further investigate the worst case of typhoon scenarios.The storm wave analysis method developed for the Houshui Bay is significant in assisting government's decision-making in rational planning of deep sea net-cage culture.The method can be applied to other bays in the Hainan Island as well.     

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