SPM Effect in Glacial Till

Influence of Compaction Condition on the Microstructure of a Non-Plastic Glacial Till

The influence of compaction water content on the structure has been well known forclayey soils, but has never been studied for granular materials. In this paper the structure of a nonplastictill and the effect of compaction moisture is investigated by means of water retention curvestudy, scanning electron microscopy and mercury intrusion porosimetry tests. The results show thatwhen compacted on...

Eliminating Hysteresis Effect of Force Actuator in a SPM

This research is to use fuzzy controller to eliminate hysteresis effect of a force actuator for a Scanning Probe Microscope (SPM). This improvement has been verified by MATLAB simulation and practical implementation to reduce the hysteresis effect of the force actuator. Comparisons with two previous designs with and without Linear Velocity Transducer (LVT) for inner-loop feedback compensation a...

Effect of winds on SO2 and SPM concentrations in Delhi

A study of concentrations of sulfur dioxide (SO2) and suspended particulate matter (SPM) has been performed in Delhi. The monthly and seasonal variations of concentrations and winds are analyzed. The monthly mean SO2 concentrations were in the range of 16.15-34.44 ngrrT and showed regular seasonal variations with the highest concentrations in winter and lowest in monsoon season. On the other ha...

Preservation of Ancient Glacial Ice Below Sublimation Till in the Dry Valleys of Antarctica: Implications for Mars

Introduction: Pascal is a Mars Climate Network Mission that is being developed for NASA's Mars Scout Program. The mission would establish a network of 18 science weather stations distributed across the entire surface of Mars that operates for 3-10 Mars years (5.6-18.8 Earth years). Pascal's instrument suite combines entry data from accelerometers and descent cameras, with landed data from press...

Glacial Morphology and Dynamics with till Geochemical Exploration in the Ribbed Moraine Area of Peräpohjola, Finnish Lapland