Month: May 2011

Aerial Photography of Geothermal Power Plants

May 25, 2011 June 22, 2013 / By Herb Lingl / Aerial Photography

Aerial photography steam Geysers geothermal power plants — Steam rises from numerous geothermal power plants which are part of the Geysers complex, the largest geothermal complex in the world. Twenty two geothermal power plants draw steam from more than 350 wells. Seismic and gravity studies indicate that the source of the heat for the geothermal power plants is a magma chamber over 8 miles in diameter and 4 miles underground. Calpine Corporation owns and operates 19 of the active geothermal power plants. Electrical production from the Geysers geothermal power plants peaked in 1987 and has declined since then as the underground water source gradually declines. Research and development of new geothermal power technologies called enhanced geothermal systems do not require convective hydrothermal resources and are expected to increase power output from the Geysers geothermal complex in the future.
Mayacamas Mountains
Lake and Sonoma Counties, California
Image ID: AHLB8018
© Herb Lingl/aerialarchives.com

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High Resolution Satellite Imagery of China

May 18, 2011 June 22, 2013 / By Herb Lingl / Satellite Imagery

Satellite Imagery Ningbo China — This high resolution satellite image documents the edge of development in Ningbo, one of China's oldest cities. While it has an ancient history, Ningbo's economy is growing rapidly. High resolution satellite imagery is proving to be an exceptionally useful tool in China, because of its vast size, the rapid changes taking place and the more limited availability of airborne imaging. Atmospheric visibility issues can further stretch out the time frames for projects relying on acquiring new imagery. That's why an archive of existing, high resolution, cloud free, recent satellite imagery of China can be invaluable. Aerial Archives provides its US clients access to DigitalGlobe's large archive of high resolution satellite imagery of China which includes recent imagery of over 150 of China's largest cities.
Ningbo, Zhejiang, China
Image ID: AHLS2010

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Aerial Photography of San Francisco Architecture

May 10, 2011 June 22, 2013 / By Herb Lingl / Aerial Photographs

Aerial Photography San Francisco Architecture | buildings with numerous different architectural styles — Many different styles of San Francisco architecture are shown in this aerial photograph of a portion of the financial district. At the left in the foreground is 140 New Montgomery Street, San Francisco's first skyscraper. Built in the art deco architectural style, 140 New Montgomery served as an office building for over 80 years until it was converted into residential condominiums. Directly behind 140 New Montgomery is 33 New Montgomery Street, a 20 story high rise office building designed in the post-modern architectural style. The building wraps around the Bank of America Building at 623 Market Street, which is not as tall and not visible in this aerial photograph. Prominent features of 33 New Montgomery Street are the large clock tower and spike at the top of the building. Directly behind 33 New Montgomery Street is the Hunter-Dulin Building, located at 111 Sutter Street. Built in a Renaissance revival architectural style, this 308 foot high rise is San Francisco's only building with Romanesque and French Chateau ornamentation. Directly to the right of 33 New Montgomery Street in this aerial photograph is the Hobart Building designed by John Willis, San Francisco's leading architect during the rebuilding of San Francisco after the 1906 earthquake and fire. Designed in the beaux-arts classical revival architectural style with Renaissance/Baroque ornamentation, the building was completed in less than one year. Serving as a background to the Hobart building is 44 Montgomery Street, a modernist 43 floor high rise designed by architects John Graham and Associates. To the right of 44 Montgomery Street is 595 Market Street, another skyscraper designed in the modernist architectural style by Skidmore, Owings and Merrill. Just a very small portion of the post modern style KPMG Building, 55 Second Street, is visible on the far right portion of the frame of this aerial photograph.
San Francisco
Image ID: AHLB5490
© Herb Lingl/aerialarchives.com

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Aerial Photography of San Francisco Skyscrapers

May 4, 2011 June 22, 2013 / By Herb Lingl / Aerial Photographs

Aerial Photograph of San Francisco skyscrapers — Aerial photograph of the tops of several San Francisco skyscrapers in the heart of the financial district. This aerial photograph created with a very long lens shows a unique perspective on these office towers which are relatively close to each other but actually have quite different heights. The aerial shows two buildings of the Embarcadero Center complex (a five office tower and two hotel commercial complex designed by John Portman and Associates): Embarcadero West (275 Battery Street)(left center), 34 stories and 404 feet tall and One Embarcadero Center (background), 45 stories and 569 feet tall. Also shown in this aerial photograph is the rooftop of 353 Sacramento Street (the office tower with the tinted wall middle right) designed by Skidmore, Owings & Merrill (SOM) and the top of 345 California Center (right front) a 48 story, 695 foot office tower also designed by SOM.
San Francisco, California
Image ID: AHLB4631
© Herb Lingl/aerialarchives.com

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