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Deuterium- and 15N-signatures of organic globules in Murchison and Northwest Africa 801 meteorites
meteorites isotope imaging H and N isotope anomalies organic matter aqueous alteration
2017/4/10
Carbonaceous matter from the matrix of the Murchison (CM2) meteorite and Northwest Africa (NWA) 801 (CR2)
meteorite that were extremely rich in deuterium (D) and 15N was studied using in situ isotope...
20th Century One of Driest for Northwest Africa in 900 Years（图）
20th Century One of Driest for Northwest Africa 900 Years
2010/6/22
Some of the worst droughts to hit North Africa in the last 900 years have occurred recently—in the late 20th century—according to an analysis of tree rings that has provided the most lengthy and detai...
Molecular evidence for anaerobic ammonium–oxidizing (anammox) bacteria in continental shelf and slope sediments off northwest Africa
Molecular evidence anaerobic ammonium–oxidizing bacteria in continental shelf slope sediments off northwest Africa
2014/4/16
The presence and abundance of anaerobic ammonium–oxidizing (anammox) bacteria was investigated in continental shelf and slope sediments (300–3000 m water depth) off northwest Africa in a combined appr...
Mapping of seabed morphology and shallow sediment structure of the Mauritania continental margin,Northwest Africa:some implications for geohazard potential
seabed morphology shallow sediment structure Mauritania continental margin geohazard potential
2009/12/3
Seafloor mapping of the Mauritania margin by multibeam bathymetry as well as shallow and high-resolution seismics in combination with core data has revealed a wide variety of seafloor features, which ...
Description of Wind and of Upper Ocean Current and Temperature Variations on the Continental Shelf off Northwest Africa during March and April 1974
Upper Ocean Current Temperature Variations Continental Shelf off Northwest Africa
2009/3/7
Measurements of winds and of near-surface temperatures and currents made during March and April 1974 on the continental shelf off northwest Africa were extremely time-dependent. Alternating land and s...