Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 4 of 4 for “"gyttja"”.
-
Geologic and limnologic history of Glovers Pond, northwestern New Jersey
… calcareous, organic-rich silt, and (4) gyttja. Glovers Pond is thermally and chemically stratified. The hypolimnion is undersaturated with CaCO3; tl1is prohibits deposition of calcium carbonate in the profundal zone. Marl is deposited on a shallow shelf by chemical and biochemical …
-
Assessing Two Centuries of Anthropogenic Impacts on Silver Lake, Summit County, Ohio
… core depth, a dark green-brown, organic-rich gyttja with relatively high C/N ratio is interpreted to represent forested watershed conditions prior to the arrival of New Englanders in 1804. The decline in sediment organic content and corresponding increase in bulk density at 125 cmblf likely …
-
Holocene climate and environmental dynamics on the Tristan da Cunha island group, South Atlantic
… around 8600 cal. yrs BP when it was replaced by gyttja deposition. This change implies a substantial increase in effective humidity probably by precipitation. The cause of this change was probably a northward shift of the Southern Hemisphere westerlies, related to a large scale reorganization of …
-
Derivation of Acoustic and Physical Properties from High-Resolution Seismic Reflection Data
… 63 (+10; -7) for ne-sand, and 33 (+6; -4) for gyttja. Boomer multi-channel seismic data were acquired in the Solent over a 30 m core and a sampled sand deposit, and in lake Windermere where over 150 km of survey lines were required to cover most of the lake. An optimal processing methodology …