Observational environment has important influence on accurate observation of meteorological elements. Therefore the study of its effect on meteorological elements is of great significance. This paper simulated the impact of a building on surrounding meteorological environment under neutral stratification...

Urban parts database is infrastructure of digital urban management. To build urban parts database, investigation of urban management parts is nevertheless inevitable. The normal methods of survey include EDM (Electronic Distance Measuring Device) measurements, RTK and the CORS system measurement method....

Persistent Scatter (PS) InSAR is an extension to the conventional InSAR techniques. It offers a practical way to reduce the temporal and geometrical decorrelation, and atmospheric artifacts in conventional D-InSAR processing method, therefore can be successfully applied in long-time subtle surface deformation...

The plain area of the Du Jiang Yan city was the key area of the reconstruction area after the 2008’s earthquake, so the land use in this area had experienced a large-scale and fast change from 2009 to 2012. Two temporal remote sensing images, taken by the HJ satellite in the April of 2009 and 2012, are...

In this paper, we present a modified imaging algorithm and the target-location method for the general case of bistatic synthetic aperture radar (BiSAR), when the transmitter and receiver move along nonparallel trajectories with different velocities. As a step to a numerically efficient processor, the...

This study aims to develop a model of using Formosat- 2 satellite images to detect vegetation changes in 15,000 - hectare hilly areas in Taipei City. This model is expected to assist Geotechnical Engineering Office under the Taipei City Government in establishing a Multi- scale Monitoring Mechanism to...

With the problem of urban traffic congestion becoming more worse, we are paying more attention on the Park and Ride(P&R), which is one aspect of the Transport Demand Management(TDM). As the study on the layout of P&R is an important part of P&R planning, it plays a major role in strengthening TDM. On...

The paper takes an advanced snake algorithm to make research on the edge detection in order to improve the automatic analysis of the computer and select the objects interested in the remote sensing image. Edge detection by the algorithm is the process of image gradient characteristic, continuity, flatness,...

The 1-D continuous wavelet transform of Morlet was used to investigate the characteristics of water quality at Longdong monitoring station, upper Yangtze River of Panzhihua. The consistence of CODMn and NH3-N were chosen as main monitoring indicators, produced by Longdong monitoring station by weekly...

Currently, the demand for energy is increasing. We are the focus renewable energy source, as Lopburi, Thailand because Lopburi has a lot of marl soil. This project study about potential of marl soil to produce electricity by using different pool rod the cathode (+) and anode (-) into marl. It’s may affect...

Dual-spectra ratio method is generally considered superior to single-spectra approach in the most previous studies for water depth inversion by ETM image. In this paper, the correlation between the ETM’s spectral and the water depth is analyzed. TM2 gives the largest absolute correlation index in all...

In this paper, a new filtering algorithm of LiDAR point clouds is presented, which can work well in complex cityscapes. This method generates marker image from grid DSM by erosion firstly, and then geodesic dilate on marker image repeatedly to implement opening by reconstruction process, finally white...

The method of coagulation/flocculation combined with magnetite powder was used to remove total phosphorus (TP) and nickel from an automobile wastewater. In the method, magnetite powder, poly-aluminum chloride (PAC) and cationic polyacrylamide (PAM) were added into the wastewater. Through a factorial...

Land rearrangement zoning is to create its direction and key aspect, operate different administration and make land rearrangement measures that in keeping with the real conditions of local area. Huairou district of Beijing was taken for instances, taking administrative villages as zoning unites to get...

This paper developed a method for constructing a driving cycle for vehicle simulation and analysis reflecting the driver behavior in real traffic condition based on path geometry. Markov Chain approach was employed to construct a model to generate the driving cycle comprised of three cycle profiles i.e.,...

Synthetic aperture radar (SAR), which is capable of producing high-quality microwave images in all day, all night and under all weather conditions, has great potential in both commercial and military applications. So SAR imaging is rapidly becoming a key technology in the community of modern remote sensing....

The importance of scale issues is described in this paper. It also expounds the situation of the study on scale effect, scale transformation and optimal scale selection. Then, several scale transformation algorithms have been discussed. And the technical characteristics of optimal scale selection method...

In this paper, the occurrence and distribution of Ulva prolifera bloom in the Yellow Sea in summer of 2008 are investigated using the medium-resolution data from operational MODIS (Moderate Resolution Imaging Spectroradiometer) instruments onboard Terra and Aqua satellites with an FAI(Floating Algae...

In this paper, a macroscopic crowd model is developed to simulate pedestrian flow characteristics and walking behaviors in a facility scattered with an obstacle. Pedestrians are assumed to walk towards a desired destination deviating from the path of shortest travel time according to the environmental...

The detection of ship wakes is one of the most important targets in the area of SAR image applications, but the existing Radon Transform (RT) or Hough Transform (HT) based line detection methods can only be used to examine the collinearity of image points in the parametric space. Considering the characteristics...

The eutrophication problem that results from the inappropriate management in upstream watershed is prevailing among most reservoirs in Taiwan. As a result, implementation of appropriate Best Management Practices (BMPs) in upland watershed has proved to be the most effective measure to reduce or alleviate...

Combining SPOT5 multispectral and panchromatic data of Wuhan city, object-oriented method of land cover classification is used to extract the urban ecological types, such as water, vegetation, bare land and impervious surface (including building, road, and other artificial surface) in this paper. The...

In this paper, the finite-element boundary integral (FE-BI) method is applied to analyze the electromagnetic scattering from three-dimensional objects with complex media located above a lossy half space. A fast numerical approach, the UV method, is employed to decrease the memory requirement and the...

Two kinds of sampling tubes have been developed for the analysis of acrolein in ambient air, which were filled with 200mg silica gel sorbent coated with either pentafluorophenyl hydrazin (PFPH) or 2,4-dinitrophenyl hydrazine(DNPH). GC/EDC and HPLC/UV are employed to evaluate the performance of PFPH-coated...

The contribution of the water mass change and the steric change of the ocean to the long term global mean sea level trend during 2003-2011 is analyzed in this paper, basing on the data of multiple satellite altimeter, GRACE gravity satellite and the Ishii (2012) temperature and salinity dataset. A steady...

We usually make use of the wave stripes of the synthetic aperture radar(SAR) imagery to retrieve the ocean wave properties based on the SAR-ocean mapping model. Due to the lower resolution, the ScanSAR mode imagery has no apparent ocean wave stripes but possesses the great advantage of large area of...

Grid workflow is an intuitive and convenient tool for user to use Grid services. It provides a framework for solving the remote sensing distributable computing problem in an integrated unified processing environment of Grid services. This paper firstly introduces the architecture of Grid workflow processing...

Wetlands in the Lower Reaches of Songhua River (LRSR) is one of the most important wetland distribution area. However, owing to expanded agricultural activities since the 1950s, wetlands in this area has decreased in size and deteriorated in quality. Wetlands restoration is necessary to improve the present...

Based on the related study of resource carrying capacity, environmental carrying capacity and ecological carrying capacity, the paper proposes the concept of comprehensive carrying capacity in the basis of “nature-ecology-economy” compound system, and constructs the corresponding evaluation index system...

Vegetation cover in mining area may be influenced by the exploitation and utilization of mineral resources. Because of the small size of mine goaf, coarse-resolution remote sensed images are not able to detect the variation of vegetation above the goaf. In this paper, the 250 m MODIS NDVIs were disaggregated...

This paper choose MODIS product data of single-day and 8d synthesis from June to September in 2006 to construct vegetation supply water index (VSWI) for Chongqing summer drought condition, and validated results by soil moisture; while the correlation between VSWI and precipitation is discussed, and spatial...

The availability of in situ measurements of precipitation in remote locations, especially in mountainous regions of northwest of China, is limited. The ground-based hydro-meteorological observations are frequently sparse in remote mountainous regions and the situation is not improving. While hydrological...

Utilizing remote sensing technology to explore mineral resources with multi- and hyperspectral geologic,which is adopted to extract alteration anomaly and mineral mapping, can detect mineral information directly and be used for prognosis possible exploration target areas.Choosing Honghai area of Hami...

Economic development has resulted in densely constructed buildings in urban area, high energy consumption, global warming, and greenhouse gas. In order to mitigate the environmental impacts resulted from urbanization, the concept of environmentally-oriented "green building" has emerged, aiming at reducing...