| 词条 | Lower Grumbach Pond |
| 释义 |
|name = Lower Grumbach Pond Unterer Grumbacher Teich |image = Unterer Grumbacher Teich.JPG |image_caption = Lower Grumbach Pond and information board | coordinates = {{coord|51.849727|10.300739|display=inline,title}} |country=Germany |location =Between Hahnenklee and Wildemann, Goslar, Lower Saxony, Germany Closest city: Clausthal-Zellerfeld |closest_city = |dam_type = Stone |construction_began = before 1673 |dam_height = 7.52 m |res_capacity_total = 82000 cu m |res_surface = 7.92 km² }} The Lower Grumbach Pond ({{lang-de|Unterer Grumbacher Teich}}), usually just Grumbach Pond (Grumbacher Teich), is an old mining reservoir or Kunstteich between Hahnenklee and Wildemann in the Upper Harz mountains in Germany It is one of the Upper Harz Ponds and was constructed before 1673. After being raised in height at least once, the dam today is 7.5 metres high and just under 60 metres long. There are nine other ponds within its catchment area, all part of the Upper Harz Water Regale: the Kranicher Teichen, the Kuttelbacher Teich, the Auerhahnteich, the Upper (Oberer) and Middle (Mittlerer) Grumbach Ponds and the Upper and Lower (Oberer and Unterer) Flößteich. Its catchment area is 7.92 km² which is very large for an Upper Harz Pond and results in a high volumetric flow. Its impoundment capacity is 82,000 m³.[1] The pond was not only used for generating hydropower for the pits beneath, but also played an important role in timber rafting on the Grumbach stream to Wildemann. The timber, cut into one to two metre-long logs, was led by a rafting ditch around the pond and slid down the Gefluder in the present day Grumbach Waterfall into the stream. In order to transport the wood further downstream, water was periodically released from the Lower Grumbach Pond which ferried the logs down to the River Innerste.[2] By the Lower Grumbach Pond is a refuge hut with checkpoint no. 113 "Grumbacher Teich" on the Harzer Wandernadel hiking network.[3] {{wide image|UntererGrumbacherTeichPano.jpg|800px|Panorama with the dam||none}}See also
References1. ^Martin Schmidt: Die Wasserwirtschaft des Oberharzer Bergbaus, Schriftenreihe der Frontinus-Gesellschaft, Issue 13, self-publication by the Harzwasserwerke GmbH, 3rd edition, 2002 2. ^According to the information board at the Lower Grumbach Pond. Photographed on 8 July 2013 3. ^Stempelstelle 113 auf der Internetseite der Harzer Wandernadel {{webarchive|url=https://web.archive.org/web/20160305051551/http://www.harzer-wandernadel.de/home/stempelstellen_details.php?id=113 |date=2016-03-05 }}. Retrieved 11 July 2013. External links
2 : Upper Harz Water Regale|Clausthal-Zellerfeld |
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