Grafika:Har Nuur.jpg
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Rozmiar podglądu: 800 × 494 pikseli
Obraz w wyższej rozdzielczości (1 000 × 618 pikseli, rozmiar pliku: 206 kB, typ MIME: image/jpeg)
| Plik Har Nuur.jpg [ edytuj opis ] umieszczony jest w Wikimedia Commons, repozytorium wolnych zasobów projektów Fundacji Wikimedia. Wyjaśnienie podanej poniżej licencji znajdziesz na stronie Opisy licencji grafiki. |
| Description |
English: Image caption and information available at [1]
Har Nuur, or the Black Lake, is located in western Mongolia's Valley of Lakes, part of a system of closed basins stretching across central Asia. These basins are the remnants of larger paleolakes (paleo- means "ancient") that began to shrink approximately 5,000 years ago as regional climate became drier. Like other lakes in the region, Har Nuur relies on precipitation, growing in the spring and shrinking in the summer. This process of growth and shrinkage produces a variety of wetland habitats, as well as resting points for large numbers of migratory birds. This photograph captures the dynamic nature of the landscape of Har Nuur. The lake is encircled by sand dune fields that encroach on the lower slopes of the Tobhata Mountains to the west and south. Gaps in the mountains have been exploited by sand dunes moving eastward, indicating westerly winds. The most striking example is a series of dunes entering Har Nuur along its southwestern shoreline. Here, the dunes reflect the channeling of winds through the break in the mountain ridgeline, leading to dune crests lying perpendicular to northwesterly winds. Another well-developed line of dunes appears between Har and Baga Lakes; while these dunes appear to cut across a lake surface, the dunes have in fact moved across a narrow stream channel. This image was acquired Sept. 7, 2006, by the crew of the International Space Station. Image credit: NASA |
|---|---|
| Source |
Originally from en.wikipedia; description page is/was here. |
| Date |
2006-10-17 (original upload date) |
| Author |
Original uploader was Niro5 at en.wikipedia |
| Permission (Reusing this image) |
PD-LAYOUT; PD-USGOV-NASA. |
[edit] License information
 |
This file is in the public domain because it was created by NASA. NASA copyright policy states that "NASA material is not protected by copyright unless noted". (NASA copyright policy page or JPL Image Use Policy).
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[edit] Original upload log
(All user names refer to en.wikipedia)
- 2006-10-17 19:45 Niro5 1000×618×8 (210556 bytes) Image caption and information available at [http://www.nasa.gov/multimedia/imagegallery/image_feature_677.html] Har Nuur, or the Black Lake, is located in western Mongolia's Valley of Lakes, part of a system of closed basins stretching across central As
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| Data/czas | Wymiary | Użytkownik | Opis | |
|---|---|---|---|---|
| aktualny | 10:49, 7 maj 2007 | 1 000×618 (206 kB) | Latebird | ({{Information |Description={{En|Image caption and information available at [http://www.nasa.gov/multimedia/imagegallery/image_feature_677.html] Har Nuur, or the Black Lake, is located in western Mongolia's Valley of Lakes, part of a system of closed basi) |
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| Orientacja obrazu | normalna |
|---|---|
| Rozdzielczość w poziomie | 72 dpi |
| Rozdzielczość w pionie | 72 dpi |
| Użyte oprogramowanie | Adobe Photoshop CS2 Windows |
| Data i czas modyfikacji pliku | 16:19, 16 paź 2006 |
| Przestrzeń kolorów | sRGB |
