In a long-term experiment established in early 1990, the effects of crop rotation and mineral fertilizers were studied on the maize (Zea mays L.) yield and soil fertility. The results indicated that maize yield increased significantly with N application, and further higher yield was obtained in NP and...

The study is about the monitoring index of the growth of paddy rice with remote sensing in use of MODIS data in 2010, drawing 4 vegetation indices, ration vegetation index (RVI) normalized difference vegetation index (NDVI) vegetation condition index (VCI) and enhanced vegetation index (EVI) as remote...

Accurate estimation of rice biomass plays a role in crop growth monitoring and agricultural carbon cycle. Dual-polarization Radarsat-2 data were used in this study for rice biomass inversion. Artificial neural network (ANN) method has been applied to simulate the relation between rice canopy parameters...

The atmospheric duct has great scientific significance and great value for propagations of radio waves and functions of surveillance equipments. Based on the Global Positioning System (GPS) sounding data during the South China Sea (SCS) Monsoon Experiment (SCSMEX) in 1998, the characteristics of the...

In this paper, we compare the aerodynamic characteristics of CSWT and VSWT. As an example, two 1MW wind turbines are selected and calculated based on the blade element momentum method and the aerodynamic characteristic of wind turbines by organizing the MATLAB simulation program is obtained. The results...

The corner given in IMO MSC.1/Circ.1238 is the main object be analyzed, and the emphasis of this thesis is to analyze the evacuation speed in corner. Based on mechanical analysis, use the methods of sports biomechanics, and consider centrifugal force in non-inertial coordinate system, this thesis educe...

In recent years, the Atmosphere-Ocean and Space environmental remote sensing technology such as atmospheric temperature and moisture profiles, sea surface wind field, and total electron content based on the GNSS signals has been widely concerned. This paper researches the mechanism and method of the...

Through pot experiment, the paper explored the impact of saline-alkali soil ameliorated by coal ash and coal gangue on the growth tamarisk. The experimental results indicated that the amelioration effect of saline-alkali soil by adding 15 % coal ash and 15% silt was distinctly better than adding 10 %...

It’s one of the important issues to identify the ground boundary of permafrost in the permafrost study. Mean annual ground temperature (MAGT) is the ground temperature at the depth of zero annual amplitude in permafrost layers and it is one of the main indicators for permafrost division in Qinghai-Tibet...

Improving the position precision will be the future development trend in astronomical navigation positioning, this article mainly introduces the influence of the parallax in the observation height of astronomical navigation positioning. Its producing principle and the corresponding error produced are...

This paper describes the low altitude unmanned airship remote sensing technology, with the wide angle combined camera, high resolution and wide images are obtained. By adopting combined camera self-calibration technology, the distortion and error of wide virtual combined image are eliminated or constricted...

Network structure is generally used to represent and study urban transportation system. This research works on the digital model of classical planning theory Garden City, and calculates the network macroscopic topological properties of radial and ringy crossing urban transportation system. The extraction...

The changing process of Guangxi farmland resource in recent 20 years was analyzed via 5 periods of land use data abstracted by remote sensing technique in this paper; farmland potential productivity was estimated and influence of LUCC process on farmland potential productivity was analyzed by combining...

The Changjing and Pearl River Watershed Rehabilitation Project (CPRWRP) is typical of large-scale development projects around the world. The dual objectives of this project were specifically to mitigate soil erosion as well as to achieve livelihood improvement in degraded areas across four contiguous...

This research employed impervious surface analysis to examine process of urban expansion around the Hangzhou Bay, China, by integrating Landsat data obtained over two different periods between 1987 and 2009(i.e., 1987, 2001 and 2009). The amount of impervious surface was quantified by Hyper Spectral...

Based on the data of nature, society, economics and water resources of Jiangxi province in 2009, we chose six indices which are the precipitation, irrigation ratio, the degree of water resource exploitation and utilization, per capita domestic water consumption, the per capita water supply and the ecological...

Roundabouts that boast safe and smooth traffic flowing have been extensively utilized. Yet as simple roundabouts are not sufficient to cope with the increasing traffic volume, it is necessary to carry out programs on signalized roundabouts. Due to the fact that existing domestic researches on the capacity...

Facing with the problems of both realizing development of the transportation and restraint of the environment and the resources, this paper analyzes current situation of transportation of Changsha-Zhuzhou-Xiangtan urban agglomeration and makes comprehensive evaluation on transport channel based on AHP....

In this paper, the leaching experiments are conducted with four kinds of environmental materials, polymer material (SAP), coal-based nutrient (HA), mineral adsorption material (FS) and mineral chemical material (SS), to explore the remediation effects of environmental materials on lead (Pb) and cadmium...

The boundary interpolation algorithm could quickly get the scope of forest fire spreading and trend of the spreading. However, the result from the algorithm has some problems on precision. Therefore, this article selected the points that was calculated from three adjacent moments as sample points for...

An efficient combined treatment process, lime-electrolysis was developed to treat the Ultra-high concentration phosphorus-containing Wastewater. The experimental results show that the removal rates of COD and TP are 86.4%, 69.9%,respectively. The results indicated that the optimal conditions are: lime...

It is necessary to characterize and monitor the spatial heterogeneity of agricultural landscapes, to assist the spatial understanding of some related agricultural processes and to predict food production patterns. In the study, variogram models fitted to empirical variograms are proposed to retrieve...

the paper studies the method application to estimate vegetation pixel by using normalized difference vegetation index and the threshold parameter of the near infrared. It is applied for the experiment of the vegetation extraction in Tangshan city by using TM and ETM+ images. The graph of vegetation information...

Since CBERS-02C was successfully launched on December 22, 2011, the data of this satellite has been widely used in many fields. One of the most applicable products is the high-resolution mosaicked image which is covered by a combination of 6 charge-coupled device (CCD) line sensors, each with 4096 pixels....

The previous study of the time-dependent modification of Fluid Analogy Method (TDFAM) model was characterized by key parameters and performance variability, and presented as a sound alternative for O-D estimation with the absence of historical matrix. This study verified the model performance with empirical...

Many researchers have studied the properties of chlorophyll-a vertical distribution in open ocean waters by now, and little is found for coastal waters. In the study, the chlorophyll-a vertical distribution of Yantai coastal waters is analyzed and a polynomial model is used to appraise the trend. Furthermore,...

The aim of this paper was to demonstrate the technical feasibility of AMD treatment using fly ash-doped porous concrete (FAPC). The FAPC were prepared through adding the fly ash into the ordinary porous concretes (PC), and the acid mine drainage (AMD) was treated by FAPC in this paper. The results show...

Land consolidation and rehabilitation is the important measure to achieve quantity dynamic balance and quality increase of farmland, and ecological environment improvement. At present, potential measure of farmland consolidation and rehabilitation in county area is the foundation of land consolidation...

On the basis of analyzing thermal infrared technology application potential on the uranium prospecting, the paper applies this technology to the silicification information extraction. Taking TAOSHAN granite-type uranium deposits in south china for example, the paper established a new set of technology...

Design of the in-situ observational sites depends on topography and hydrodynamic characteristics in the observational region, which is significantly important in marine environmental monitoring and evaluation. The tidal motion in Jiaozhou Bay and Aoshan Bay is simulated in this study using the unstructured...

Anthropogenic activities play a key role in wetlands evolution during the processing of urbanization. In this paper, Wuhan, which is known as a “Hundred-lake city”, was selected as an example for wetlands morphology analysis by fractal. Firstly, the border information of 19 lakes was extracted from two...

Based on Landsat7 ETM+ imagery and ground-measured Leaf area index (LAI) data, a optimal estimation model was developed in order to accomplish the retrieval of Phragmites australis LAI in Panjin Wetland of China. To obtain more knowledge about the actual status of Phragmites australis, the spatial pattern...

The queue length at signalized intersection is critical to either signal performance measure in terms of vehicle delay and stops or signal optimization. The traditional deterministic queuing theory based on the hypothesis that the flow of the road is steady during the entire time which disagrees with...

Polarimetric microwave radiometer is used to measuring target polarization information, whichopen up a new area for passive microwave remote sensing. In order to understand and use this new technology, further improve the capacity ofusingsatellite data toretrieve the parametersof sea surface and atmospheric...

Simulation is a resonable method to research the impact of landscape on traffic safety. In this paper, two different charts of main control program of the simulation program and chart of main simulation program are researched; the simulation program was built by Visual Basic and Access Database. The...

The sea state of South China is influenced by typhoon obviously. It is important to carry out the long-term prediction of typhoon wind, wave height and wave period for the coastal and offshore engineering. In this paper the measured wind and wave data during typhoon processes from 1964-1989 are used...

A total of 147 zooplankton species were identified from four reservoirs. Protozoa and rotifers were the most abundant species recorded. The following fifteen species were common to all four reservoirs: six protozoan species, four rotifer species, three cladoceran species and two copepod species (accounting...

The objective of this part of this study was to evaluate a number of native species and reinforcement materials for their suitability for contributing to a harvestable multispecies sod for roadside rehabilitation. This experiment began with an investigation of the basic characteristics of three native...

Correctly judge the development phases of regional industrialization and its evolution characteristics has an important significance to promote the development of regional economy and to speed up the process of industrialization. Based on the connotation and characteristics of industrialization, this...

A new methodology to process received signal in X band ultra-high resolution synthetic aperture radar (SAR) is presented in this paper. The received wideband signal is decomposed into sub bandwidth signals firstly, which are compressed by the chirp scaling algorithm (CSA) and then combined in 2-D frequency...

This paper focus on the design experimentation system of data processing in two camera image, for experimentation of relief stereo mapping and on image processing methods, which base on its composition and dual combination of wide angle digital camera design principles. Practice shows that flight efficiency...

as an important sign of deterioration of soil environmental health quality, soil heavy metal pollution is closely watched by scholars at home and abroad. Combined the Kriging Interpolation method in the GIS spatial analysis, this paper evaluated the Cu, Zn, Pb, and Cr heavy metal spatial pollution status...

This paper investigated the variability of labile trace metals during recent hundred years through two cores collected in the offshore mud area of the East China Sea. The vertical variations of labile metals show much more clear human pollution records than “total” metals. The elevated values and the...

Synthetic Aperture Radar (SAR) has the all-day, all-weather ability to work. It has become one of the important sensors for military reconnaissance and civilian remote sensing. Radio frequency interference (RFI) is the major interference source for low frequency band SAR systems. This paper proposes...

By using TM/ETM+ images of Yellow River estuary from 1989 to 2001, the coastlines of different terms are detected on the base of multi-coordinate system method. Each coastline is divided into 24 sections to analyze the Yellow River estuary change carefully in a smaller scale. Then the yellow river estuary...

to detect the change in the terrain using multi-temporal images has becoming one of the important applications of remote sensing technology. In order to receive a result with high accuracy, the relative radiometric correction among images must be done before the detection. The surface radiation is affected...

Remote sensing provides multiscale image data to monitoring the earth surface. The spatial heterogeneity of the surface is a function of image scales. It is also affected by various remote sensing variables. This work uses variogram to assess the abilities of NDVI (normalized difference vegetation index)...

The system of location based service has become more popular in the applications of digital traffic. The situation of vehicle navigation and location based service is introduced. The functions of one digital traffic system of location based service are proposed from three aspects about preparation and...

Conducted a research to definition of the critical concentration of micelle formation (CCMF) of anionic surface-active substance (further in the text – SAA, or surfactants) - sulfonol in industrial waste water. This research is necessary to understand the condition of sulphonol in wastewater in the presence...

The accurate investigation on the coseismic displacement attenuation pattern plays an important role in seismic intensity zoning. A new model combining the Logistic Power and Cosine model is proposed in this paper to evaluate the correlation between coseismic displacement and epicentral distance and...

This paper deals with the intensive land use in the five provincial development zones in Wuxi, after constructing the evaluation index system from the viewpoint of present situation, efficiency and sustainability of land use, the paper calculates the weights using optimal combination of empowerment,...

Two-dimensional, 8-segment mercury module of Aha Reservoir (surface area 4.15 km2; volume 0. 445 × 109 m 3) was developed using the WASP 7 modeling system. The model calculated the concentration of methylmercury for the water column generally agreed with the measured values reported in literature for...

Cities and surrounding suburbs are Earth's fastest growing land use.For the purpose of predicting future urban evolution trends and elaborating rational policies for regulation and control, it’s significant to distinguish correctly the rules of urban expansion and to analyze the evolution process. Offering...

Albania is relatively rich with low up to the middle enthalpy, geothermal resources. Their temperature varies from 34°C up to 65.5°C to Kozani -8, the most important among the Albanian geothermal wells. The geographical position of the well, placed in the middle of a village, very close to the corridor...

This paper summarizes the different interpretation methods using remote sensing data to detect Faults. As different data sources have respective advantages in the extraction of structural information, the paper proposes a decision fusion method to interpret faults using the ETM+ images, SPOT5 images...

The dynamic management of the sea area use spatio-temporal data is going to be highlighted. Through the analysis of the characteristics of the sea area use data, based on the research of TGIS and the advantages of existing spatio-temporal database model, this paper puts forward a design proposal of the...

The Simulation of millimeter wavelength cloud radar reflectivity factor, which aimed to verify the inversion algorithm of cloud microphysical parameters, is an important issue in millimeter wavelength cloud radar development and the validation of its performance. By using the auxiliary data of temperature,...

Chao Lake is one of the five largest fresh lake in China and important to the socio-economy development of Anhui Province. With the enforcement of agricultural development, agriculture planting and stock breeding sectors boosted quickly and None Point Source(NPS) Pollution has become a considerable source...

The comparison of multi-spectral images (so-called change detection) before and after the underground nuclear test can reduce search area for the on-site inspection and assist us in locating underground nuclear explosion (UNE). With TM images and multivariate alteration detection method, anomaly detection...

Present scenario gives importance to precision image representing information about remote sensing, medicine, seismic etc. which are more importance to decision makers and researchers. These precision data are of very high resolution in nature in order to give optimal information which in turn occupies...

The water quality and eutrophication status of Taihu Lake in recent years are presented and the pollution trends are analyzed. Meiliang Bay, Zhushan Bay, and the upstream catchment area of the Taihu Lake Basin cover the major upstream rivers flowing into a heavily polluted area in the lake. Water pollution...

In the period of rapid urbanization, timely and comprehensively understanding the spatial and temporal characteristics of urban expansion has substantial meaning for the city scientific planning and rational use of land. This paper, using the multispectral image data of“TM” and “Beijing-1” small satellite...

There is multi-degree-of-freedom non-cooperation motion of ships in rough seas which makes the quality of the ships’ SAR images get poor. In this paper, the ship motion model was built based on the strip theory at first. Then, the quality of the ships’ SAR images which are in different sea states was...

The Soil Moisture and Ocean Salinity (SMOS) remotely sensed sea surface salinity (SSS) observations, on a global scale and with various resolutions, have been applied as inputs in three representative retrieval techniques. The purpose is to evaluate the SSS observations’ performance, concerning the accuracy...

According to the forward scattering amplitude function of the charged sand particles under the Rayleigh approximation, the calculation models of attenuation and phase shift for microwave wave through sand storms incorporating charged sand particles are obtained along horizontal paths. The attenuation...

TASI can provide abundant useful information for the retrieval of emissivity spectrum and temperature. This paper sums up the progress of land surface temperature; summarize several methods for temperature and emissivity separation analyse the advantage and disadvantage of each method. In addition, This...

Based on Landsat TM images the brightness temperature (Tb), and urban land use information, and normalized difference vegetation index (NDVI) on vegetation cover surface, and normalized difference built-up index (NDBI) on construction were obtained, the relationships between NDVI and Tb, NDBI and Tb...

Using airborne light detection and ranging (LiDAR) point cloud data for building reconstruction, is widely used in urban construction, planning and dynamic monitoring, etc. So far, it is still difficult to applied in rapid modeling in large areas. In this study, based on the GIS platform, with the utilization...

Soil salinization is one of the most common land degradation processes in arid and semi-arid regions that impact the growth of many crops. Remotely sensed data has great potential for monitoring dynamic processes, including salinization. But the fluctuant microtopography controls the space distribution...

According to the interpretation of 2 Ximen Island high-resolution remote sensing images in 2007 and 2010, combined with its wetland land cover and land use status, set up Ximen Island wetland landscape classification system. Used software to calculate landscape pattern index and landscape transition...

Spatialization of attribute data is a way to output grid data products from vector data. It is beneficial to integrated analysis of geosciences data from various sources and in different formats. However it is also a process companied with errors, and the errors are closely related to density of data...

Based on demographic data in Jiangsu Province from 2004 to 2009 the characteristic and law of spatial population distribution in Jiangsu Province was analyzed with population density analysis, spatial auto-correlation, spatial construction index analysis and gravity center analysis. The results show...

With the development of economy in recent years, Beijing’s urbanization is rapid expansion and it has great influence on suburban farmland. This article analyzed the variation of the cultivated land and landscape pattern during the period of 1998-2009, based on TM images data in 1998 and 2009, land use...

Mixed traffic, especially the conflict between motorized and non-motorized vehicles, is a distinctive feature of urban traffic in China. Oriented on the signalized intersections with right-turn vehicles excluded from signal control in Tianjin Municipality, the study researches on the laws of the arrival...

Based on the hydrodynamic background field, a Variational Assimilation (VA) Model of pollutant in the Bohai Sea is constructed. The time-varying contamination concentrations (CCs) from the pollution source (PS) are estimated using this model and a new inversion theory is proposed. Some points in the...

Quantization must be taken in the process of data digitization and storage. Remote sensing data use different quantization levels in the process of gathering and storage. Remote sensing data is always compared with other data to decide whether its quality is good or bad, using many quality indexes. But...

Remote sensing and GIS technology was adopted to monitor temporal and spatial distribution of continental coastline in the Bohai Rim from 2000 to 2008. Moreover, this paper has analyzed the fractal dimension change of coastline. Both the length and fractal dimension of the coastline in Bohai Rim increased...

Land use type is the main content of land use and land cover studies, and the Land Dynamic Monitoring has been focusing on getting information of land cover on the global and regional scale quickly and accurately. This paper takes Shandong Peninsula as an example, MODIS remote sensing as data source,...

An algorithm is proposed for precise extraction and comprehensive analysis of various complicated meteorological parameters along transmission lines. By means of GIS-based spatial reasoning, spatial relations between transmission lines and meteorological parameters were analyzed and handled properly,...

The contamination of suburban vegetable soils can affect directly human health and the living quality. In this study an assessment is made to research the impact of prevailing wind on spatial distribution of heavy metals in vegetable field soils from the outskirts of Changchun, China. The study area...

This paper derived a damage function model of fly ash soil that under the effect of freeze-thaw cycles by using the penetration test and the basic theory of damage mechanics. The Calculated data of the model have a high degree of agreement with the measured data. This model provides a new way for the...

Aerodynamic roughness length is an important surface parameter that influences energy and water exchanges at the land-atmosphere interface, thereby affects regional climate. This study is to investigate the sensitivity of aerodynamic roughness length on climate in Eastern China, which has been experiencing...

Oil spill is one of the most common ocean environmental disasters. Rapid and accurate access to the oil spill information has great significances to dynamic monitoring, conservation and sustainable use of the ocean. HJ-1 is a new satellite platform designed for environmental disasters. However, multi-spectral...

By analyzing the spatial structure, the road traffic characteristics and the residents travel characteristics of Yuhang Town, Hangzhou City, this research aims to put forward sustainable development strategies and urban planning measures suitable for every specific suburb town represented by Yuhang Town...

High-spatial-resolution remote sensing image contains rich texture information and high variability of spectral information, but the rich details greatly increase the difficulty of segmentation. For this reason, this paper proposes a new method of high-spatial-resolution remote sensing image segmentation...

Remote sensing has been proved to be a useful technique in measuring water depth in coastal zone. This paper takes Haikou Bay as the study area. The spectral analysis of the correlation index between TM image and the observed water depth from chart is made. TM3 gives the largest absolute correlation...

The odor episode events caused by the odor compounds in water have profoundly influenced the ways people live and work, whereas there are few effective approaches to tackle this problem. In this paper, -Ionone was taken as object to study the basic law of its photo-catalytic degradation with nanometer...

As assessment of clustered renewable energy systems (CRESs) interconnected with low-voltage distribution system have been discussed in this paper. A direct search method is proposed to evaluate the maximum allowable capacity of CRESs in the low-voltage distribution system in Taiwan. Simulation results...

In order to predict the changes of Land Use/Cover Change (LUCC) in Ejina Oasis (EO) after water resources redistribution in Heihe River, the remote sensing images in 2002 and 2006 were selected, a new set of land use categories was developed and the Markov model was employed. Results show that: From...

Analyzing the significance of macroscopical dynamic monitoring of new increased construction land, considering the influence of various factors, this paper selects Yinchuan Plain for a typical experimental zone, builds knowledge base of remote sensing images interpretation, uses multi-temporal remote...

Biofertilizers depend on special bacteria to enhance the uptake by plants of water; to accelerate growth; to increase the absorption of minerals by plants; to reduce the long production times that are required to use organic fertilizer, and to improve the volume and quality of crop production. This study...

Infrared surface emissivity derived from Atmospheric Infrared Sounder (AIRS) is matched with Land Surface Model (LSM) soil texture types to construct a soil emissivity dataset over deserts in northern Africa and the Arabian Peninsula, with which to investigate the relationship between satellite-derived...

As the most important marine reserved system, astronomical positioning has incomparable advantages. In this paper, according to the basic principle of the sun shift line positioning, using the spherical triangle derives the mathematical model of the sun shift line positioning by observing the sun on...

Agricultural sustainability has the highest priority in all countries, whether developed or developing. Geoinformation Science is gaining importance as useful precision farming Science in sustainable agricultural management and development. This research is intended to demonstrate the applicability of...

Explore the distribution of soil fertility and soil nutrients is significant to the sustainable development of tropical agricultural growth. Take Bayi farm areas in Hainan province as the study area, exploring the distribution of soil fertility and nutrients in research area by applying the GIS spatial...

In order to control drainage system overflow pollutant during wet and dry seasons, five stormwater detention tanks (SDTs) were built along the Suzhou Creek in central Shanghai, China. The effect of SDTs on pollutant reduction was investigated based on the precipitation, storm runoff, pumping station...

Aiming at the condition that each point in point clouds has different positional accuracy, a new method for fitting plane to point clouds is proposed. The method is based on weighted total least squares (WTLS). According to the effect of intensity of each point on positional accuracy and the structure...

Terrestrial laser Scanning (TLS) intensity data are influenced by many factors. In this paper, the influence of target surface properties on TLS intensity data is considered. Experiments were carried out with standard reflector, some different color plates and selected building facades of various kind...

With advances in information technologies, floating car data (FCD) (e.g. trajectories of taxis) becomes an important data source for collecting traffic information in urban road networks. Due to the low sampling frequency of FCD, it is a challenge to obtain accurate and reliable travel time estimation...

This paper extracted oil spill which happened in Gulf of Mexico using two images obtained from MODIS on May 17,2010 and May 24,2010, and then analyzed the accuracy of extraction results based on the confusion matrix. It was conducted with eigenvectors built by multi-spectral information and spectral...