3D mats are environmentally friendly and ecological materials for protecting river waterway banks. The anti-scour properties of the erosion resistance soil under them can be studied to provide decision support selection slope protection their applicable areas. In this paper, an indoor prototypical scouring experiment with a flume is carried out study three types mat (vegetation grass mats, Enka...

Quantitative research on and the prediction of a landslide deformation area is an important point to accurately comprehensively understand failure mechanism landslides degree slope failure. This study uses image processing techniques quantitatively identify volume regions during rainfall-type destabilization under multifactor conditions. The findings revealed that (1) increase in rainfall inten...

This study takes multitemporal Landsat images as data source to explore the changes of Fractional Vegetation Cover (FVC) and ecological quality (EQ) Wugong Mountain (WGM). The regression model obtained from MODIS NDVI was used correct temporal difference normalized vegetation index (NDVI) in 2019, Remote Sensing based Ecological Index (RSEI) calculated assess change FVC EQ WGM. Results showed t...

Rain is an important factor influencing the instability of ecological slopes. There little research on inherent quantitative influence substrate properties slope runoff and water infiltration to support accurate protection design. In this paper, characteristics quantitatively analyzed by constructing large physical models with different for artificial rainfall simulations. The experimental resu...

In this paper, we determine geometric information on slope lengths of a large class of knots in the 3–sphere, based only on dia-grammatical properties of the knots. In particular, we show such knots have meridian length strictly less than 4, and we find infinitely many families with meridian length approaching 4 from below. Finally, we present an example to show that, in contrast to the case of...