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This image is a composite of radar scans by Sentinel-1A on different dates of the Siljan Ring, located in the province of Dalarna in central Sweden.
Dalarna, a historical province known for its deep forests, beautiful fishing lakes and lush green landscapes, is a holiday residence for many Swedes and a favourite tourist attraction.
Sweden’s sixth largest lake, Siljan covers an area of 290 sq km. Its particular shape comes from the location around the southwestern perimeter of the Siljan Ring, a circular geological formation created almost 400 million years ago by a major meteorite impact.
Mainly eroded today, the original crater is estimated to have been some 50 km in diameter. It is the largest known impact crater in Europe and one of the 18 largest known impact craters on Earth.
Three scans of the area taken at different dates were overlaid, with different colours assigned to each: red (7 February 2015), green (15 March 2015) and blue (27 March 2015). The colours represent changes on the ground between the various acquisitions.
Given the location and the time of year, it is safe to infer that the landscape was dominated by vegetated areas, partly or completely frozen lakes and lots of snow. It is probably also safe to assume that most changes are related to variations in snow cover and snow condition.
Focusing on the Siljan Lake, towards the central right part of the image, it is easy to make out the bright red and green lines, which come from changes in the ice edge and cover on the lake, in early spring.
Southwest of the lake area, the town of Borlänge is clearly visible along the Dal River, appearing as bright white. Famous for its medieval cathedral of Stora Tuna and its important rail and bus junction, it became a commercial centre for the surrounding agricultural and industrial areas. The town has paper mills, sawmills, engineering works, foundries, printing establishments and factories.
The strikingly sharp blue to the east of Borlänge probably represents fresh snow, which fell sometime around the end of March and covered the flat agricultural fields, thus changing the ground properties.
Sentinel-1A has been in orbit since 3 April 2014. It is a polar-orbiting, all-weather, day-and-night radar imaging mission for land and ocean services, monitoring the marine environment and mapping water and soil surfaces, among other major applications.
This image is also featured on the Earth from Space video Programme.
Credit: Copernicus Sentinel data (2015)/ESA
I noticed this bit of wall seemed to be freshly painted, judging by the clean vibrant coat of pain on it. It was pretty much impossible to wait for a human subject to walk in, but I guess pigeons are not a bad subject too. It was challenge finding the correct composition, matched with the shutter speed, but I think I got it.
I love how the red contrasts with the white, which incidentally also happens to be the colours of our Singapore flag.
May our little red dot enjoy the freedom forever.
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Copyright © 2015 Wei Kiat.
All rights reserved.
Drop me a email (kiatography@gmail.com) if you wish to purchase my images.
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A play around with Photoshop to produce these un-natural colours.
Olympus E-M1
LUMIX G VARIO 14-45/F3.5-5.6
Aperture Æ’/5.6
Focal length 45.0 mm
Shutter 1/500
ISO 200
Claremont Landscape Garden, a National Trust oasis of greenery, is to be found on the Portsmouth Road near Esher in Surrey. Previously a pleasure garden retreat of royalty, Claremont isn’t that big – yet it’s always a delight to visit. And today… well just look at the sumptuous autumn colours!
Many of the great names in landscape design have left their mark on the estate, not least Sir John Vanbrugh and Lancelot 'Capability' Brown. Queen Victoria loved it here – so much so that in 1866 she acquired the estate to save it from development.
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Canon EOS 5D MkII, Canon EF 8-15mm f/4L Fisheye USM. 6 seconds at f/11, 15mm. ISO 100.
Copyright © Alex Methenitis. All Rights Reserved.
This work is protected under international copyright laws and agreements. No part of this photostream may be reproduced, stored in retrieval system, or transmitted, in any form or by any means, electronic, mechanical, photocopying, recording or otherwise, without my prior permission.
For the Smile on Saturday group challenge - "multi-colora"
The festive decorations are still here, so many warm and bright colours! So it seemed right to collect together some of the bright and warming colours that have been compensating for the grey and dark winter days and nights ;o)
Added textures: Pro Add-Ons Abstract lights
HSoS and HCS too!
Cliche and Smile on Saturday: Here
My Festive images set: Here
Still Life Compositions: Here