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In Gemini - Steps to the Moon, David Shayler, the author, tells the story of the origin and development of the programme and the spacecraft from the perspective of the engineers, flight controllers and astronauts involved. It includes chapters on flight tests, Extra Vehicular Activity (EVA), rendezvous and docking, as well as information from NASA archives and personal interviews.
The distribution of suspended particulate matter in the 1.4 to 27.9 micron range based on data gathered during four cruises off the California coast from San Francisco Bay to Cape San Martin is presented by means of isometric drawings as well as more conventional graphs. It was observed that pycnoclines set up particle 'traps'. In areas where a deep mixed layer existed particle concentrations were randomly distributed in the layer. Counts of larger sized particles decreased with depth; those for smaller particles appeared to remain about constant throughout the water column. Particle sizes and distributions reflected bottom topography and water depth. Shallow water stations exhibited higher ...
A detailed oceanographic survey of the coastal waters between Monterey Bay and San Francisco Bay, California, was conducted from 10 through 18 May 1969. Measurements of beam transmittance, sound velocity, temperature, and particulate count were obtained. Over 500 water samples were taken for particulate analysis. The optical properties of this region were found to be very complex. The waters appeared to be affected by flow from San Francisco Bay, littoral material, upwelling, and possibly sewage outfalls during the survey. A greater volume of water with low transmissivity and high particle count existed in the northern region of the survey area than in the southern region. An eddy system between Monterey Bay and Point Ano Nuevo was suggested. Approximately 90 percent of the particles affecting beam transmittance were less than 12 microns in diameter. Particle sizes were found to decrease with increased depths. A fairly good correlation of beam transmittance with particle count was observed except in near shore areas. (Author).