Transboundary Environmental Effects of Hydropower: Sediment Transport and Geomorphology

Balancing River Health and Hydropower Requirements in the Lancang River Basin ◽

10.1007/978-981-13-1565-7_6 ◽

2018 ◽

pp. 161-182

Author(s):

Xuezhong Yu ◽

Daming He ◽

Phouvin Phousavanh

Keyword(s):

Sediment Transport ◽

Environmental Effects

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Environmental Effects of Sediment Transport Alteration and Impacts on Protected Species: Edgartown Tidal Energy Project

10.2172/1059377 ◽

2012 ◽

Author(s):

Stephen B Barrett ◽

Schlezinger, David, Ph.D ◽

Cowles, Geoff, Ph.D ◽

Patricia Hughes ◽

Samimy ◽

...

Keyword(s):

Sediment Transport ◽

Environmental Effects ◽

Tidal Energy ◽

Protected Species

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Imaging molecules adsorbed onto electrodes under potential control by scanning probe microscopy

Proceedings, annual meeting, Electron Microscopy Society of America ◽

10.1017/s0424820100086180 ◽

1991 ◽

Vol 49 ◽

pp. 376-377 ◽

Cited By ~ 1

Author(s):

N.J. Tao ◽

J.A. DeRose ◽

P.I. Oden ◽

S.M. Lindsay

Keyword(s):

Surface Charge ◽

Environmental Effects ◽

Scanning Probe Microscopy ◽

Statistical Significance ◽

Electrochemical Methods ◽

Surface Structures ◽

Scanning Probe ◽

Potential Control ◽

Afm Imaging ◽

Special Circumstances

Clemmer and Beebe have pointed out that surface structures on graphite substrates can be misinterpreted as biopolymer images in STM experiments. We have been using electrochemical methods to react DNA fragments onto gold electrodes for STM and AFM imaging. The adsorbates produced in this way are only homogeneous in special circumstances. Searching an inhomogeneous substrate for ‘desired’ images limits the value of the data. Here, we report on a reversible method for imaging adsorbates. The molecules can be lifted onto and off the substrate during imaging. This leaves no doubt about the validity or statistical significance of the images. Furthermore, environmental effects (such as changes in electrolyte or surface charge) can be investigated easily.

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