Keyhole (KH) spy satellite images taken in the 1950s (https://earthexplorer.usgs.gov/) as a reference for the Ming and Qing Dynasties. The images were taken only half a century after the Qing Dynasty and have been applied to the study of the HUL of Huaiyang and Yili in the Qing ...
If you've ever used the desktop version of Google Earth (not the web version but rather the computer program, currently known as Google Earth Pro), you would know it has a whole lot of features that the web and mobile counterparts still lack. After all, it did get simplified while being...
Alternatively, if you want to dig into USGS’s giant collection of about 7 million scanned historical images, take a trip to theUSGS Earth Explorer. To get started, we put together this step-by-stepUSGS Earth Explorer tutorial. Instead of satellite imagery, your search criteria would be “Ae...
If the target area on the ground has moved between two satellite acquisitions (e.g., it was displaced by a landslide), with a component of the movement, along the satellite line of sight (LOS), the phase difference between the two images obtained by cross multiplying the “first scene” ...
Fensholt, R. et al. Greenness in semi-arid areas across the globe 1981–2007—an Earth Observing Satellite based analysis of trends and drivers.Remote. Sens. Environ.121, 144–158 (2012). Google Scholar Piao, S. et al. Characteristics, drivers and feedbacks of global greening.Nat. Rev. ...
Megadroughts are notable manifestations of the American Southwest, but not so much of the European climate. By using long-term hydrological and meteorological observations, as well as paleoclimate reconstructions, here we show that central Europe has exp
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A far more accurate and efficient way is with overhead (satellite) imagery (provided the site is visible from above). At first, I used the ruler tool in Google Earth to measure the heading (clockwise angle from true north) of linear features and rectilinear structures having well-defined ...
However, this was improved by using Google Earth image archives and ground truth points. Moreover, prediction estimation of ESV depends on LULC using the Markov chain. Additionally, more specific biophysical factors for sensitivity analysis will be considered. High-resolution satellite images can ...
The Infrared Astronomical Satellite (IRAS) found large infrared excesses in PNe, confirming that remnants of AGB envelopes are still present in PNe [54,55]. The development of charged-coupled devices (CCDs) allowed high-dynamic range optical imaging and the detection of optical haloes outside ...