Your chance to discover vorself unobserved geoglyphs is not so bad using Google Maps satellite images. (If the Japanese are not quicker for instance...)
At the beginning, use my interactive map for starting your own research! If your are not common with Google Maps: above left you find the navigation bar for moving to north, east, west or south and for moving to the initial position (mid). Belove ist the movable scale. The resolution of these satellite images forbids an enlargement according to the uppermost position. On the other hand, some fine lines are no more visible using a reduction according to the third scale mark from above, so the best is to use the second. Make your Google map window as large as possible! If your want to inform me about a new discovery or an incorrect identification, klick on the mail function of google maps saving the position and add our mail adress (contact). However: smaller structures like the rare, but famous figural geoglyphs and the spirals can be recognized mostly insufficient using the satellite images. The famous owl man is one of the very few recognizable older figures from Paracas period.
tips: Recent boundary lines near the rivers, straight driving traces etc. may be
very similar with Nazca lines. In the hilly areas and on slopes you can find
short, but very straight natural erosion lines. In the western and southern
areas eroded by wind, where geoglyphs are anyway very faintly recognizable,
there are also straight linear structures longitudinal or transverse to the main
wind direction, which may fake geoglyph lines. Be cautious also if recognizing
shadows of pylons in a supposed linear structure: the trace will be a result of
building and service of a high voltage line. – Many success while searching! –
destination of coordinates
Geoglyphs mapped by Maria Reiche are copied into this reduced map (not interactive) with red colour. So it becomes clear how many additional geoglyphs I could find by aid of satellite images mainly western of Río Grande and southern ond south-western of the Río Nazca!
Though here the biggest and most famous concentraion of geoglyphs is to be found, geoglyphs are not reduced to this region of South America. One example of a narrow long trapezoid wiht some linear stutures in the neighbourhood is to be found ca. 70 km to the north-west. Two further examples (1 and 2) are faintly recognizable not far from each other in an area more down the Río Ica. Also in the Chilene part of the Atacama desert some (different looking) geoglyphs are known (example).
Destination of coordinats: To get rough coordinates you move the desired object as accurate as possible into the center of the screen. Click an the Google Maps link function. In the resulting code, you find behind "ll" (latitude/longitude) the coordinates in decimal degrees, map datum WGS84. If you want to get more accurate coordinates, note the coordinates and open Google Earth (which must have been installed before) and navigate to the position of the coordinates. The status bar has to be activated, showing the cursor coordinates. The settings have to be changed so that decimal degrees are shown. This values can directly be given into a GPS. As the seam of neighbouring satellite images show, you must reckon with an error of 50 m or less. In the Google Earth images, the occasionally disturbing copyright marks in the Google Maps pampa images with its poor contrast are missing. You get a nearly undistorted image if reducing the elevation factor ("0.5 - 3") to 0.0001 – good to stitch screen copies!
Other archaeological traces you can recognize on satellite images
Page still under construction. Bad English: make correction suggestions to the author!
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