NASA Needs Astronauts

Longterm Changes of Tidal Regime in the German Bight (North Sea)
Sea level changes are caused by astronomical tides (periodical changes), meteorological, geological and oceanographical conditions, vertical movements of the earth's crust...

Node Factor Variations and Joint Occurences
In constructing exceedance frequency distributions for extremal heights resulting from joint occurrences of tsunamis or storm surges and the astronomical tide, a period of time for the...

Rate of Change Methods in Astronomical Surveying
A method is described whereby longitude, latitude and azimuth can be obtained by taking sights on the sun at short timed intervals. Both rate of change of altitude with time and rate of...

Dependency of Astronomic Tide and Hurricane Surge

Joint Occurrences in Coastal Flooding
Extreme levels of coastal flooding arising from the joint occurrence of a rare event such as a hurricane or a tsunami with the astronomical tide have a stochastic nature resulting from...

What Has the U.S. Gotten Out of the Space Program—
Since the time of its creation in 1958, the National Aeronautics and Space Administration has spent billions of dollars on space activities. What has the U.S. gotten out of these tremendous...

Model of Hurricane Tide in Cape Fear Estuary
A quasi one-dimensional numerical-hydrodynamic model of storm surge in the Cape Fear River, North Carolina is formulated as an aid in determining storm tide frequencies. Separate momentum...

Arctic Refraction Study
Atmospheric refraction corrections applied to observed zenith angles have long been considered the largest source of error in polar astronomic observations. The use of radiosonde data...

Recurrence Intervals of Abnormally High Tides by Superposition of Storm Surges over Astronomical Tides

Engineering 1972—A Review
The study of history affords a basis for perspective as to where we have been. A contemplation of immediate past events—such as in this review of the broad field of engineering in the...

Apollo 11: Soil Mechanics Results
Data were extracted from astronaut observations, television coverage of the moon walk, and returned photographs and samples. It has been determined that the upper few centimeters of the...

A New Philosophy on Preservation of Survey Evidence
Land surveyors are obligated to the public to advise some means to preserve and perpetuate land survey evidence. Many surveyors consider the placing of durable monuments as the only method...

Computer Program for Horizontal Circle Astronomy
Any astronomical observation taken on the horizontal circle of a theodolite may be represented by an equation in three unknowns, latitude, longitude, and azimuth. In practice, observations...

Daylight Star Observations in Antarctica
Field surveys to obtain control for topographic mapping in Antarctica are executed during the continuous daylight of the austral summer. In general, control data have been obtained by...

 

 

 

 

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