Results 21 to 30 of about 195,988 (262)

Evaluating the Hydrological Components Contributions to Terrestrial Water Storage Changes in Inner Mongolia with Multiple Datasets

Sensors, 2023
In this study, multiple remote sensing data were used to quantitatively evaluate the contributions of surface water, soil moisture and groundwater to terrestrial water storage (TWS) changes in five groundwater resources zones of Inner Mongolia (GW_I ...
Yi Guo, Naichen Xing, Fuping Gan, Baikun Yan, Juan Bai   +4 more
doaj   +1 more source

Waterborne GPR survey for estimating bottom-sediment variability: A survey on the Po River, Turin, Italy [PDF]

, 2009
We conducted an integrated geophysical survey on a stretch of the river Po in order to check the GPR ability to discriminate the variability of riverbed sediments through an analysis of the bottom reflection amplitudes.
Corrado Calzoni, Kovacs A., Luigi Sambuelli, Manuele Pesenti, Moorman B. J., Tóth T.   +5 more
core   +1 more source

Monitoring of the natural frequencies of Chirkey arch dam [PDF]

Инженерно-строительный журнал, 2020
The article presents a method for monitoring the natural frequencies of HPP dams according to continuous seismic observations. The object of the research is the largest arched dam in Russia, the Chirkey HPP located in the Caucasus.
A.V. Liseikin, V.S. Seleznev, Z.A. Adilov   +2 more
doaj   +1 more source

Machine learning algorithms for lithological mapping using Sentinel-2 and SRTM DEM in highly vegetated areas

Frontiers in Ecology and Evolution, 2023
Lithological mapping in highly vegetated areas using remote sensing techniques poses a significant challenge. Inspired by the concept of “geobotany”, we attempted to distinguish lithologies indirectly using machine learning algorithms (MLAs) based on ...
Yansi Chen, Yulong Dong, Yunchen Wang, Yunchen Wang, Feng Zhang, Genyuan Liu, Peiheng Sun   +6 more
doaj   +1 more source

Remote sensing investigation of sand mining in Wenzhou based on domestic satellite data [PDF]

E3S Web of Conferences, 2020
Taking the domestic high-resolution satellite image data obtained in 2018 as the information source, the remote sensing image was processed, and part of the map spots were verified in the field.
Jie Wang, Yaqiu Yin, Yuhao Wang, Li Li, Dong Chen   +4 more
doaj   +1 more source

Expedition 302 geophysics: integrating past data with new results [PDF]

, 2006
In preparation for IODP Expedition 302, Arctic Coring Expedition (ACEX), a site survey database comprising geophysical and geological data from the Lomonosov Ridge was compiled.
Backman, J., Brinkhuis, H., Clemens, S., Cronin, T., Dickens, G.R., Eynaud, F., Floden, T., Gattacceca, J., Jakobsson, M., Jakobsson, M., Jordan, R.W., Kaminski, M., King, J., Koç, N., Martinez, N.C., Matthiessen, J., McInroy, D., Moore Jr., T.C., Moran, K., O'Regan, M., Onodera, J., Pälike, H., Rea, B., Rio, D., Sakamoto, T., Smith, D.C., St. John, K.E.K., Stein, R., Suto, I., Suzuki, N., Takahashi, K., Watanabe, M., Yamamoto, M.   +32 more
core   +1 more source

Mapping Alteration Minerals Using ZY-1 02D Hyperspectral Remote Sensing Data in Coalbed Methane Enrichment Areas

Remote Sensing, 2023
As a clean energy resource, coalbed methane (CBM) is an important industry in China’s dual-carbon strategic planning. Despite the immense potential of CBM resources in China, the current exploration level remains low due to outdated survey technology ...
Li Chen, Xinxin Sui, Rongyuan Liu, Hong Chen, Yu Li, Xian Zhang, Haomin Chen   +6 more
doaj   +1 more source

Lithological Mapping in High-Vegetation Areas Using Sentinel-2, Sentinel-1, and Digital Elevation Models

Sensors
The extraction of lithological information in areas with high vegetation coverage presents numerous challenges, particularly in identifying concealed lithological features. This study focuses on a typical high-vegetation coverage area in Taiwan Province,
Yansi Chen, Genyuan Liu, Zhihong Song, Ming Li, Minhua Wang, Shuang Wang   +5 more
doaj   +1 more source

Research on development characteristics and failure mechanism of land subsidence and ground fissure in Xi'an, monitored by using time-series SAR interferometry

Geomatics, Natural Hazards & Risk, 2019
The development characteristics of land subsidence of Xi'an by an advanced InSAR technique are investigated based on Envisat, Radarsat-2 and Sentinel-1 satellites, and it can be found that there still have been five typical land subsidence bowls with ...
Man Li, Daqing Ge, Bin Liu, Ling Zhang, Yan Wang, Xiaofang Guo, Yi Wang, Dandan Zhang   +7 more
doaj   +1 more source

STUDY OF SEISMIC EFFECTS ON CHANGES IN GROUNDWATER PRESSURE: EQUIPMENNT AND SOME WELL OBSERVASTION RESULTS FOR THE KAMCHATKA PENINSULA

Геодинамика и тектонофизика, 2022
The relevance of the work is determined by the necessity to develop the hardware part of the seismic subsystem of the Large-Scale Research Facilities functioning at the Federal Research Center of the Geophysical Survey of the Russian Academy of Sciences ...
S. V. Boldina, G. N. Kopylova, V. A. Kobzev   +2 more
doaj   +1 more source