Xinyuan Wang

• PhD
• Chinese Academy of Sciences

In recent decades, the application of GIS and RS in archaeological and cultural heritage (ACH) has witnessed a notable surge both in terms of quantity and scope. During the initial implementation period (2016–2021) of the Digital Belt and Road Heritage (DBAR-Heritage) working group, several instances of GIS-RS-based applications in support of cultu...

Observing archaeological objects of interest (AOI) is pivotal to our understanding of past human-environment interactions, eco-social dynamics, and even the evolution of the ancient civilization. This has required development of advanced observational approaches to image and identify AOI at various circumstances and conditions. In the past decades,...

In mountainous regions, steppe degradation and desertification, which are transition processes between temperate deserts and montane steppes, are considerably affected by climate change and human disturbance. Consequently, the study of the transition ranges along the elevation gradient is particularly important for the protection, restoration, and...

The increasing availability of multiplatform, multiband, very-high-resolution (VHR) satellite synthetic aperture radar (SAR) data has attracted the attention of a growing number of scientists and archeologists. In particular, over the last two decades, archeological research has benefited from SAR development mainly due to its unique ability to acq...

I. Context Under the global climate change context, combating desertification is remaining one of the most complex challenges with long-term social, economic and environmental implications. It is reported that about two billion people in the world depend on the fragile ecosystems in arid and semi-arid areas. Addressing this issue requires increase...

Asia, Europe, and Africa, connected by the maritime silk road (MSR) and the land silk road (LSR), as the cradle of ancient civilizations, contain rich cultural heritage resources. While aiming to achieve differentiated and targeted application, protection, and development of world cultural heritage (WCHS), it is essential to identify the temporal-s...

基于遥感考古发展历程与主要进展分析，提出从遥感考古走向空间考古的认识，构划空间考古内涵、主要研究内容与实验区选择。空间考古既是适应文化遗产保护需求的新任务、新发展与新使命，也是文化、科学与技术融合发展的一支新学科，将促进“一带一路”的建设，并为提升中国参与全球治理软实力贡献力量。

本书以世界自然遗产地“四川大熊猫栖息地”为研究对象，兼顾世界 自然遗产地保护面临的问题，系统阐述空间信息技术对珍稀濒危物种栖息 地类的自然遗产地监测、评估与预测的技术与方法。全书共分 8 章，主要 内容包括自然遗产地与空间观测、自然遗产地空间监测技术与方法、动物 生境要素精细信息提取技术与方法、大熊猫栖息地陆表特征关键环境参数 变化分析、大熊猫栖息地生态环境变化的空间观测与评估、震后生境状况 遥感长期监测与生态环境恢复的评估模型、未来气候变化对大熊猫栖息地 影响精细评估与应对和大熊猫栖息地可持续发展建议。

In recent years, very high-resolution satellite remote-sensing tools have been progressively used in archaeological prospecting to acquire information and improve documentation. Satellite remote sensing has also benefited from technical improvements, including better spectral and spatial resolution of sensors, which have facilitated the detection a...

The alpine treeline, as an ecological transition zone between montane coniferous forests and alpine meadows (two ecosystem states), is a research hotspot of global ecology and climate change. Quantitative identification of its elevation range can efficiently capture the results of the interaction between climate change and vegetation. Digital extra...

The Han Dynasty Great Wall (GH), one of the largest and most significant ancient defense projects in the whole of northern China, has been studied increasingly not only because it provides important information about the diplomatic and military strategies of the Han Empire (206 B.C.–220 A.D.), but also because it is considered to be a cultural and...

Natural and cultural heritage, the common wealth of human beings, are keys to human understanding of the evolution of our planet and social development. The protection and conservation of natural and cultural heritage is the common responsibility of all mankind. Spatial information technology provides a new applied theory and tool for the protectio...

This paper provides a brief history review of the use of ancient weirs in fishing on our planet, as well as a pilot study that involves investigating and mapping the coastal heritage of ancient stone tidal weirs (STWs) in the Penghu Archipelago which is located in the Taiwan Strait. The spatial distribution and morphological features of STWs across...

Archaeological and cultural heritage (ACH), one of the core carriers of cultural diversity on our planet, has a direct bearing on the sustainable development of mankind. Documenting and protecting ACH is the common responsibility and duty of all humanity. It is governed by UNESCO along with the scientific communities that foster and encourage the u...

The United Nations Sustainable Development Goals (SDGs) have 17 Goals, 169 Targets and 232 Indicators. The fourth specific target of SDG11 (Target 11.4) is “Strengthen efforts to protect and safeguard the world’s cultural and natural heritage”. Target 11.4 identifies the important role of conservation and preservation of natural and cultural herita...

Google Earth (GE), a large Earth-observation data-based geographical information computer application, is an intuitive three-dimensional virtual globe. It enables archaeologists around the world to communicate and share their multisource data and research findings. Different from traditional geographical information systems (GIS), GE is free and ea...

This paper describes the use of the Chinese Gaofen-1 (GF-1) satellite imagery to automatically extract tertiary Linear Archaeological Traces of Tuntian Irrigation Canals (LATTICs) located in the Miran site. The site is adjacent to the ancient Loulan Kingdom at the eastern margin of the Taklimakan Desert in western China. GF-1 data were processed fo...

The accelerating impact of climate change on giant panda (Ailuropoda melanoleuca) habitats have become an international research topic. Recently, many studies have also focused on medium-sized mountain ranges or entire giant panda habitats to predict how habitats will change as the climate warms, but few say in detail what to do or where to focus e...

This paper describes the use of the Chinese Gaofen-1 (GF-1) satellite imagery to automatically extract tertiary Linear Archaeological Traces of Tuntian Irrigation Canals (LATTICs) located in the Miran site. The site is adjacent to the ancient Loulan Kingdom at the eastern margin of the Taklimakan Desert in western China. GF-1 data was processed fol...

The status of researches in ecosystem services value assessment (ESVA) was reviewed. The methods of ESVA could be classified into two categories from the aspect of evaluation process: direct and indirect, which are further classified into several sub-categories. After analyzing the concept connotation, calculation, and application of each classifie...

In recent years, wind energy has been a fastgrowing alternative source of electrical power due to its sustainability. In this paper, the wind energy potential over the Gobi Desert in Northwest China is assessed at the patch scale using geographic information systems (GIS). Data on land cover, topography, and administrative boundaries and 11 years (...

This study mainly focuses on revealing an ancient water landscape at the Longcheng site in the northern Chaohu Lake Basin using very high-resolution (VHR) GeoEye-1 imagery. First, prior to classification, the GeoEye-1 image was processed following atmospheric and geometric correction. The supervised classification was carried out in order to show t...

The tuntian system was a state-promoted system of military–agriculture, which originated in the Western Han dynasty (206 BC–9 AD). All the imperial dynasties in Chinese history adopted the practice of tuntian to cultivate and guard frontier areas as an important state policy for developing border areas and consolidating frontier defense. This paper...

The fusion research activities at Southwestern Institute of Physics (SWIP) include the HL-2A & HL-2M tokamak programs, fusion reactor design and materials, along with key fusion technologies including R&D on ITER procurement packages. This paper presents the progress of fusion technology at SWIP, including the ITER first wall and blanket, Chinese h...

Trophic Level Index (TLI) is often used to assess the general eutrophication state of inland lakes in water science, technology, and engineering. In this paper, a data-driven inland-lake eutrophication assessment method was proposed by using an artificial neural network (ANN) to build relationships from remote sensing data and in-situ TLI sampling....

Landslides, as one of the most destructive natural phenomena, distribute extensively in Wolong Giant Panda Natural Reserve and cause damage to both humans and endangered species. Therefore, landslide susceptibility zonation (LSZ) mapping is necessary for government agencies and decision makers to select suitable locations for giant pandas. The main...

The aim of this study was to give a comprehensive archaeological investigation for Penghu’s stone tidal weirs (STWs) based on both Google Earth and GIS. Firstly, this study uses GoogleEarth Pro tools to clip a GeoEye-1 image (acquisition date: 22/07/2013) and a WorldView-2 image (acquisition date: 25/01/2014) for Chipei Island and Husi Island, resp...

The region near Dujiangyan City and Wenchuan County, Sichuan China, including significant giant panda habitats, was severely impacted by the Wenchuan earthquake. Large-area landslides occurred and seriously threatened the lives of people and giant pandas. In this paper, we report the development of an enhanced multi-temporal interferometric synthet...

Thermal-hydraulic design and analysis for the new conceptual design of fusion-fission breeding reactor using casing pipes for fuel assembly was done. Based on typical thermal-hydraulic design parameters, preliminary thermal-hydraulic design for the blanket was proposed. The corresponding temperature distribution and pressure distribution were obtai...

Qanats in northern Xinjiang of China provide valuable information for agriculturists and anthropologists who seek fundamental understanding of the distribution of qanat water supply systems with regard to water resource utilization, the development of oasis agriculture, and eventually climate change. Only the tops of qanat shafts (TQSs), indicating...

Trophic Level Index (TLI) calculated from several water quality monitoring indicators is often used to assess the general eutrophication state of inland-lake. In this paper, we proposed a data driven inland-lake eutrophication mapping method by using artificial neural network (ANN) to build relationship from remote sensing data and in-situ TLI samp...

The paradigm of dynamic data driven application system (DDDAS) has been proposed as a framework to analyze and predict the character and behavior of complex systems that influence computational models significantly. Its accuracy and efficiency lies in its ability to integrate observations on different temporal and spatial scales from real-time sens...

According to historic records, the wasteland northeast of modern Dunhuang oasis contains remarkable, undiscovered monuments of medieval courier stations. In this study, statistical analysis of historic records and census data, image processing and interpretation of satellite remote sensing images, GIS analysis, and field surveys were carried out to...

Expert knowledge is a combination of prior information and subjective opinions based on long-experience; as such it is often not sufficiently objective to produce convincing results in animal habitat suitability index mapping. In this study, an animal habitat assessment method based on a learning neural network is proposed to reduce the level of su...

Large-area, seamless synthetic aperture radar (SAR) mosaics can reflect overall environmental conditions and highlight general trends in observed areas from a macroscopic standpoint, and effectively support research at the global scale, which is in high demand now across scientific fields. The SAR China Land Mapping Project (SCLM), supported by the...

Combining analysis of 3S (RS, GIS and GPS) and historical materials (historical records, ancient map and academic and literary writings) allows mapping of the Keriya Paleoriver of Southern Xinjiang, NW China. Keriya Paleoriver, one of the ancient Four Green Corridors which passes through the Taklimakan Desert from south to north in the Tarim Basin,...

Craters can be defined in terms of terrain attributes calculated from the Chang'E-1 (CE-1) Digital Elevation Model (DEM), and detected by using Hough Transform. We applied our method to the surrounding area of Klavius crater, and compared the results to the existing catalog of manually identified craters. The factors for our algorithm are: detectio...

From an interdisciplinary point of view, this article discusses the application of a remote sensing environmental archaeology method in the study of ancient settlements by investigating the development and revolution of archaeology as well as the idea of remote sensing environmental archaeology. The study proposes a new method of multi-source infor...

By using crater impact morphological theory and mathematics modeling, the paper studies the cratering process and morphological features of the Xiuyan Crater in Northeast China based on remote sensing imagery, digital elevation model (DEM) and drilling and measuring data. The results show that: 1) Simulated calculation indicates the diameter of the...

Craters, one of the most significant features of the lunar surface, have been widely researched because they offer us the relative age of the surface unit as well as crucial geological information. Research on crater detection algorithms (CDAs) of the Moon and other planetary bodies has concentrated on detecting them from imagery data, but the comp...

Ecological function regionalization, one of the important methods for conducting geographic spatial division, is based on environmental resource, ecological sensitivity, and spatial differentiation of ecological service functions.By using this method, an entire area can be divided into several different ecological function regions.Based on an analy...

Determining oil slick thickness plays an important role in assessing oil spill volume and its environmental impacts on the ocean. In this study, we used a Hyperion image of an oil spill accident area and seawater and fresh crude oil samples collected in the Bohai Sea of China. A well-controlled laboratory experiment was designed to simulate spectra...

The culture decline of Chaohu Lake Basin after the Han Dynasty is a remarkable archaeological phenomenon in the Jianghuai region, Anhui Province, East China. Analysis of the relevant historic records, combined with the new progress in environmental archaeological research and remote sensing data, demonstrates how the ancient culture of Chaohu Lake...

For geological and environmental research in an arid area, a unique advantage of radar remote sensing is that radar wave can penetrate a certain layer of dry sand (a few centimeters to meters thick) to reach the buried bedrock. The penetration capability is able to reveal the subsur-face geological structure and old drainage paths. Based on the ana...

With the development of science technology and archaeological research, the traditional methods for archaeological data collection and processing have become inadequate. As the advanced tools for a wide range of spatial data gathering, management and analysis, RS and GIS technologies bring the powerful support for the development of Archaeological...

Palaeochannels are deposits of unconsolidated sediments or semi-consolidated sedimentary rocks deposited in ancient, currently inactive river and stream channel systems. It is distinct from the overbank deposits of currently active river channels, including ephemeral water courses which do not regularly flow. We have introduced a spectral character...

doi: 10.1117/12.873347

The large earthquake measuring 7.1 on the Richter scale that occurred in Yushu County, Qinghai Province, China, on April 14, 2010, caused a huge loss of life and major damage to people’s properties. Using three modal synthetic-aperture radar (SAR) datasets, wide-swath SAR, interferometric SAR and polarimetric SAR, the following studies were conduct...

Based on the temporal-spatial distribution features of ancient settlement sites from the middle and late Neolithic Age to the Han dynasty in the Chaohu Lake Basin of Anhui Province, East China, using the methods of GIS combined with the reconstructed paleoenvironment by the records of lake sediment since Holocene, the transmutation of ancient settl...

The influence of thermomechanical heat treatments, aging conditions (temperature and time) on helium bubble precipitation in tritiated HR-2 stainless steel was deal with. Helium was generated by the radioactive decay of tritium (tritium trick). The concentration distribution of tritium and 3He in tritiated HR-2 stainless steel vessels was calculate...

Based on diffusion equation, the concentration of hydrogen isotopes and helium in the stainless steel film specimen aging at room temperature for two years was calculated and measured by finite diffusion method. The fracture strength was measured by tension test. The SEM and PAT were applied for the investigation of the fracture. The initiation and...

Inland lakes in the arid and semi-arid areas are sensitive to the climate change and human activities, The long time-series remote sensing data, with a capability to provide valuable information of the distribution and changes of inland water bodies, have become an effective tool for lake study. In this paper, the lakes in Ejin alluvial fan, locate...

6 periods remote sensing data from 1995~2007 of Chaohu area were processed. The method of many dark pixels was adopted to carry out atmospheric modification and the modified normalized difference water index (MNDWI) was adopted to get the information of water. On this basis, the information of chlorophyll-a relative concentration in Chaohu Lake was...

There are about 19 Neolithic Age sites and 120 Shang-Zhou dynasties sites in the western lakeshore of Chaohu Lake, Anhui Province, China. Based on sites data, topographic data, drainage maps, administrative maps and SPOT5 remote sensing data, spatial analysis methods were introduced into the archaeology of Chaohu Lake Basin with Geographic Informat...

The urban heat island is a phenomenon that the atmosphere temperature of the sky of the city near the ground is higher than the one outside the city, and it has business with the land use. Based on the Mono-window algorithm, the urban surface temperature of two imagines is retrieved by using of the Landsat TM data. The urban temperature is divided...

The Chaohu Lake Basin is an important area for ancient human activities in East China. The Lingjiatan site, which is located at the southeast of Chaohu City, Anhui Province, and 35 km north to the Yangtze River and 5 km south to the Taihu Mountain, is the most representative Neolithic Age site with advanced jade-carving techniques in this area. The...

Based on the temporal-spatial distribution features of ancient settlement sites from the middle and late Neolithic Age to the Han Dynasty in the Chaohu Lake Basin of Anhui Province with the methods of GIS, combining with the reconstructed paleoenvironment by the records of lake sediment since Holocene in the Chaohu Lake, the transmutation of ancien...

Testing TBM (Test Blanket Modules) is one of important engineering test objectives in ITER project. China is performing the TBM design and R&D based on Chinese development strategy of fusion DEMO. Helium-cooled test blanket module concept with ceramic breeder for testing on ITER will be one of the basic options in China. The current progress and st...

doi: 10.1117/12.812776

Differing from optical remote sensing image, radar remote sensing image can be used to extract more useful information, and its application is becoming widespread in a variety of fields. Based on the central place theory, the spatial structure of urban system in the Northern China Plain is studied by using Radarsat ScanSAR mosaic image. The results...

A typical lake sediment core is obtained from the Chaohu Lake in the lower reaches of the Yangtze River, Anhui Province, China. The timing scale is constrained by AMS 14C dating method. Climate proxies such as pollen and grain size in the core are analyzed to reconstruct the environment changes at this site approximately between 9870 and 2170 cal....

Based on structure design and thermo-hydraulic analysis of the ITER HCSB TBM, the first wall, which is the most important component of the TBM, is optimized. The code of programmable command stream of the finite element ANSYS is used to simulate the temperature and stress field of front panel in the first wall structure of the HCSB TBM. The optimiz...

Suspended sediment is one of the most important parameters for water quality. Numerous experiential or deductive models have been advanced for detecting suspended sediment using remote sensing technology. However, due to the lack of atmospheric parameters and sufficient statistics, the precision or accuracy of these models cannot be guaranteed. In...

Flood is one kind of unexpected and the most common natural disasters, which is affected by many factors and has complex mechanism. At home and abroad, there is still no mature theory and method used for the long-term forecast of natural precipitation at present. In the present paper the disadvantages of grey GM (1, 1) and Markov chain are analyzed...

Test Blanket Module (TBM) is a key component of the International Thermonuclear Experimental Reactor (ITER). Its design involves multi-disciplinary optimization analysis. The design description of blanket concept based on a solid breeder, a helium cooling, high temperature structural materials and beryllium multiplier is introduced. To validate the...

Detailed scheme of structure design of ITER helium cooled solid breeder (HCSB) test blanket module (TBM) has been given. The peculiarity of HCSB TBM is to select the reduced activation ferritic steel (RAFS) as structural material, the high stabilizing helium as coolant, ceramic Li4SiO4 pebble as tritium breeder. In particular, modular structure des...

In China, most directions of river flowing are from west to east. During historic period, since the water traffic played an important role, it was very important to form a cross-horizontal net of water carriage route. Canals should be dug so as to make up the lack of north-south river. Tongji Grand Canal, dug in the first year of Daye (605 A. D.) i...

Preliminary design and analysis for China helium-cooled solid breeder (CH HC-SB) test blanket module (TBM) for testing in ITER device have been carried out recently. In this paper, the design description, the performance analysis and the related ancillary systems for CH TBM are given. The key features of the design are based upon the breeder-outsid...

With an activation calculation code FDKR and decay chain data library AF-DCDLIB, the radioactivity, decay afterheat and biological hazard potential (BHP) from activation products in ITER China helium coolant solid breeder test klanket modular have been calculated. The calculation results show that the total radioactivity inventory, decay heat and B...

By interpreting the remote sensing data of aerial photos and satellite images in different time, combining with field investigation, landform and water level observation, collecting data of weather, hydrology in Chaohu Lake, Anhui Province from 1957 to 2003, the reasons for collapse of Chaohu lakeshore were analyzed. The results are as follows: 1)...

Desertification is one of the most serious environment and socioeconomic problems in the world and China today. Land of sandy desertification almost covers everywhere in Ejin Banner (County), Inner Mongolia. Using remote sensing method can expediently acquire some information such as desertification"s status, and effect of harnessing desertificatio...

Based on radar remote sensing and sediment facies analyzing, this paper studies the features of environmental evolution of North-eastern Ejin Banner since 60 Ka BP(Before Present). The conclusions are listed as follows: (1) The evolution of Gaxunnur Lake, Sugunur Lake, Tian'e Lake is dominated by faults and regional climate; (2) By analyzing deposi...

The aim of this experiment was to study acute toxicity and local stimulation of cucurbitacinBE poly-lactic acid nano-particles (CuBE-PLA-NP) for targeting cervical lymph node. Various doses of CuBE-PLA-NP lyophilization injection and cucurbitacinBE (CuBE) were hypodermically or veno-injected into the mice, and then the drug toxicity and side effect...

The aim of this study is to compare activities of phospholipase of Candida albicans isolates from oral cavities of two groups of patients, including oral pre-malignant lesions and oral cancers. A total of 55 isolates, including oral pre-malignant lesions (21), oral cancers (15), and normal health control (19), were studied using the precipitate zon...

The aim of this study is to investigate the effects of insulin on the lateral pterygoid muscle of growing rats after the functional mandibular protrusion. An immunohistochemical (the ABC method) method was used to detect the location and distribution of insulin in the lateral pterygoid muscle of rats. 1. Insulin located in the cell membrane of the...

Vascular endothelial growth factor C (VEGF-C) is known to be capable of inducing cell proliferation of lymphatic endothelia and development of lymphatic vessels. Thus, in the current study the expression of VEGF-C was investigated to understand the mechanism of lymphatic metastasis of oral cancer. VEGF-C protein expression in benign and malignant o...

Skeletal class II malocclusion is often occurred in Oriental and Black. It is difficult to gain the ideal treatment objective either using the orthognathic surgery or orthodontic treatment alone. However, the combined orthodontic and surgical treatment can reach it, so we investigate the methods and characteristics of combined orthodontic and surgi...

It is important to predict mesiodistal crown diameter of the permanent canines and premolars in the mixed dentition, which helps to determine malocclusion and its further development. But there is still no article about this equation of Chinese used to predict mesiodistal crown diameter of cuspids and premolars. This research is to measure mesiodis...

To investigate methods of diagnosis and treatment of hemangiomas of the mandible. Nineteen cases of central hemangioma of the mandible treated in our department from 1971 to 1997 were studied retrospectively. Fourteen patients received surgical treatment in which ten patients had received complete curettage of the lesion and the other four had rece...

To investigate the effect of insulin on the lateral pterygoid muscle after functional mandibular protrusion in rats. Radioimmunoassay was used to examine the level of insulin in lateral pterygoid muscle quantitatively after functional mandibular protrusion in young growing rats. The amount of insulin in lateral pterygoid muscle in young growing rat...

A modified design based on a half space of ITER test port for China Helium-cooled Solid Breeder (CH HC-SB) Test Blanket Module (TBM) for testing in ITER device have been carried out recently. In this paper, the design description, the performance analysis and the related ancillary systems design for the HCSB-TBM were given. The key features of the...

The paper presents a conceptual design for a compact fusion/transmutation experimental reactor based on the spherical torus concept, CFER-ST. A set of plasma parameters suitable for the nuclear waste transmutation blanket are given. The transmutation neutronics, integer structure, thermo-hydraulics, liquid curtain wall and magnet shield design, etc...