Based on the shaking table test, liquefaction of silt under earthquake load and damage after are studied. The test results show that lower is relatively dense, pore pressure increases slowly, ratio can not reach initial state. However, stronger action, dense may also produce liquefaction, which indicates increase water has a great relationship with compactness intensity load. Because permeabili...

Farm mechanization is the main indicator of modernizing agriculture and use farm machines that can take place human animal power in agricultural processes. During field operation weight machinery compact soil due to contact with tires or tracks tractors. The aim article study effects texture moisture content on compaction. experimental test 5 different depth (5, 10, 15, 20 25 cm) were selected ...

ABSTRACT Fine sediment stored in the gravel bed is an important component of river systems. Current field protocols usually allow evaluation silt–clay fraction fine stocks only and neglect sand fraction. This study proposes a new protocol to quantify stocks, including inside matrix. were sampled within patches 0.30 m × on dry surface, separating surface layer subsurface layer. The grain‐size di...

Researchers seek to identify dry lake bed deposits on Mars, if present. The Global Surveyor TES and Mars Odyssey THEMIS are primary tools in this search. However, there are no published thermal infrared spectrometer (hyperspectral) airborne studies of a dry lake bed. Here we present the first such study and the impacts on TES/THEMIS interpretations. This research addresses a looming gap in the ...

There is ample evidence about the impact of land-use and climatic variables such as temperature and precipitation on the biogeochemical cycling of organic carbon (C), nitrogen (N), phosphorus (P) in terrestrial ecosystems. However, although sulfur (S) is one of the essential nutrients for plant growth, the impact of these factors on soil organic S (SOS) forms has received little attention. The ...

Researchers seek to identify dry lake bed deposits on Mars, if present. Primary tools in this search include the 1996 Mars Global Surveyor Thermal Emission Spectrometer (TES) and the 2001 Mars Odyssey multi-channel radiometer THEMIS. Interpretations are based on a comparison of the recorded signatures to laboratory spectra. Texture affects both the shape and contrast of the spectral signatures ...