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  2. Gold Canyon, Arizona - Wikipedia

    en.wikipedia.org/wiki/Gold_Canyon,_Arizona

    Gold Canyon is located at (33.361913, -111.451629 [ 8 ] According to the United States Census Bureau , the CDP has a total area of 22.3 square miles (57.8 km 2 ), all land.

  3. File:Year 9 Trigonometry; Angles of Elevation and Depression ...

    en.wikipedia.org/wiki/File:Year_9_Trigonometry;...

    You are free: to share – to copy, distribute and transmit the work; to remix – to adapt the work; Under the following conditions: attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made.

  4. Tacheometry - Wikipedia

    en.wikipedia.org/wiki/Tacheometry

    The difference of height Δh is computed from the angle of depression z or angle of elevation α of a fixed point on the staff and the horizontal distance S already obtained. The azimuth angle is determined as normally. Thus, all the measurements requisite to locate a point both vertically and horizontally with reference to the point where the ...

  5. Strike and dip - Wikipedia

    en.wikipedia.org/wiki/Strike_and_dip

    A feature's strike is the azimuth of an imagined horizontal line across the plane, and its dip is the angle of inclination (or depression angle) measured downward from horizontal. [1] They are used together to measure and document a structure's characteristics for study or for use on a geologic map . [ 2 ]

  6. Spherical coordinate system - Wikipedia

    en.wikipedia.org/wiki/Spherical_coordinate_system

    The user may choose to replace the inclination angle by its complement, the elevation angle (or altitude angle), measured upward between the reference plane and the radial line—i.e., from the reference plane upward (towards to the positive z-axis) to the radial line. The depression angle is the negative of the elevation angle.

  7. Cañada del Oro - Wikipedia

    en.wikipedia.org/wiki/Cañada_del_Oro

    The Cañada del Oro (Spanish, 'Canyon of Gold'), is a primary watershed channel in Oro Valley, Arizona, U.S. [1]. The Cañada del Oro originates in the remote Canyon del Oro in the Santa Catalina Mountains north of Tucson, fed by rainfall and melted snow from the northern face of Mount Lemmon and flows northward toward the town of Oracle.

  8. Inclinometer - Wikipedia

    en.wikipedia.org/wiki/Inclinometer

    Determining the angle of the Earth's magnetic field with respect to the horizontal plane. Showing a deviation from the true vertical or horizontal. Surveying, to measure an angle of inclination or elevation. Alerting an equipment operator that it may tip over. Measuring angles of elevation, slope, or incline, e.g. of an embankment.

  9. Headward erosion - Wikipedia

    en.wikipedia.org/wiki/Headward_erosion

    Widening of the canyon by erosion inside the canyon, below the canyon side top edge, or origin or the stream, such as erosion caused by the streamflow inside it, is not called headward erosion. Headward erosion is a fluvial process of erosion that lengthens a stream, a valley or a gully at its head and also enlarges its drainage basin. The ...