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Chao Kong, Yuanping Xu, Zhuowei Li, Chaolong Zhang, Tukun Li, Iain Macleod, Xiangqian Jiang, Dan Tang and Jun Lu
This paper illustrates a systematical surface topography measurement and evaluation method based on a 3D optical system. Firstly, the point cloud data of the workpiece are extracted by the use of a 3D structured light measurement system, and the STEP fil...
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Bo Zhou, Qiongying Liu, Shunyun Chen and Peixun Liu
Heat has been widely used as a groundwater tracer to determine groundwater flow direction and velocity in a way that is ubiquitous, low-cost, environmentally friendly, and easy to use. However, temperature observations are generally short-term and small-...
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Xinyang Zhao, Shaohua Jin, Gang Bian, Yang Cui, Junsen Wang, Yulin Tang and Chao Jiang
In response to the absence of standardized work practices, work safety measures, efficient work procedures, and suitable line planning methods for exploring seabed topography using autonomous underwater vehicles (AUVs) equipped with side-scan sonar syste...
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Jinkun Liu, Run Xu, Yan Zhu, De-Quan Yang, Heng-Yong Nie and Woon Ming Lau
We used atomic force microscopy (AFM) and X-ray photoelectron spectroscopy (XPS) to comprehensively study the growth and the cross-linking of dotriacontane (C32H66) nanofilms that were deposited on a silicon wafer by the spin-coating process. It was foun...
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Nina Stark, Brendan Green, Nick Brilli, Emily Eidam, Kevin W. Franke and Kaleb Markert
Geotechnical data are increasingly utilized to aid investigations of coastal erosion and the development of coastal morphological models; however, measurement techniques are still challenged by environmental conditions and accessibility in coastal areas,...
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Huaqian Hou, Tengfei Xu, Bin Li, Bing Yang, Zexun Wei and Fei Yu
We report the direct and quantitative measurement of five significant near-inertial waves (NIWs) events observed by Lander at water depths of 600 m to 1100 m at 119°17' E and 22°06' N in the northern South China Sea from July to November 2017. We found t...
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Hong Zhang, Xiaolei Liu, Anduo Chen, Weijia Li, Yang Lu and Xingsen Guo
Liquefied submarine sediments can easily lead to submarine landslides and turbidity currents, and cause serious damage to offshore engineering facilities. Understanding the rheological characteristics of liquefied sediments is critical for improving our ...
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Aggeliki Kyriou, Konstantinos Nikolakopoulos and Ioannis Koukouvelas
The detailed and accurate mapping of landscapes and their geomorphological characteristics is a key issue in hazard management. The current study examines whether the image acquisition geometry of unmanned aerial vehicle (UAV) campaigns affects the accur...
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Xukai Zhang, Xuelian Meng, Chunyan Li, Nan Shang, Jiaze Wang, Yaping Xu, Tao Wu and Cliff Mugnier
Terrestrial Light Detection And Ranging (LiDAR), also referred to as terrestrial laser scanning (TLS), has gained increasing popularity in terms of providing highly detailed micro-topography with millimetric measurement precision and accuracy. However, a...
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Fang Cheng, Jingwu Zou, Hang Su, Yin Wang and Qing Yu
In this paper, a novel design of a surface topography measurement system is proposed, to address the challenge of accurate measurement in a relatively large area. This system was able to achieve nanometer-scale accuracy in a measurement range of 100 mm ×...
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