{"name":"top-down-new-satellite-data-and-ground-truth-data-as-base-for-a-reconstruction-of-ancient-caravan","title":"Top down: New satellite data and ground-truth data as base for a reconstruction of ancient caravan routes. Examples from the Western Desert of Egypt","maintainer":"Karin Kindermann;Publication Administrator","maintainer_email":"k.kindermann@uni-koeln.de;cwillmes@uni-koeln.de","notes":"Thanks to new satellite data, it is possible to examine deserts area-wide for linear structures. Additionally, digital elevation models can be use to evaluate the geomorphological situation. In conjunction with historical sources and ground-truth data, these data allow us, for the first time, to reconstruct the position of the caravan routes with reasonable accuracy, here exemplified for the extremely arid Western Desert of Egypt. On the central Egyyptian Limestone Plateau where stony ground (hamada, serir) prevails, most of the routes can be precisely seen from space. Their special natural preservation conditions are also described in this chapter.\r\nIn contrast, surfaces with thick sandy layers, with a few exceptions, do not allow a localization of routes in the used satellite image.\r\n\r\nDue to the recent demographic development and the growth of desert tourism, the old caravan routes are being increasingly destroyed together with important archaeological finds. This gives good reason for further satellite based analyses in combination with geoarchaeological field investigations.","type":"researchdata_literature","resources":[{"description":"","format":"PDF","url":"http://crc806db.uni-koeln.de/data/Phase_1/A/A1/data/000/Bubenzer_Bolten2013.pdf","created":"2014-08-20T16:03:28.485751","state":"active","package_id":"2c1c91d4-7f31-483d-a24e-ba9e047888a7","last_modified":"2021-10-24T01:10:01","id":"78ab8cb8-07f4-4d4a-930d-78e2c3edc85a","name":"Bubenzer_Bolten2013.pdf"}],"tags":[{"name":"darb el-tawil"},{"name":"digital elevation model"},{"name":"egypt"},{"name":"geomorphology"},{"name":"landscape"},{"name":"path"},{"name":"satellite imagery"},{"name":"track"}],"extras":[{"key":"bibtex:address","value":"Cologne"},{"key":"bibtex:author","value":"O. Bubenzer, and A. Bolten"},{"key":"bibtex:booktitle","value":""},{"key":"bibtex:citation","value":"Bubenzer, O., Bolten, A. (2013) Top down: New satellite data and ground-truth data as base for a reconstruction of ancient caravan routes. Examples from the Western Desert of Egypt. Africa Praehistorica 27: 61-75. "},{"key":"bibtex:doi","value":""},{"key":"bibtex:editor","value":""},{"key":"bibtex:howpublished","value":""},{"key":"bibtex:isbn","value":""},{"key":"bibtex:journal","value":""},{"key":"bibtex:month","value":""},{"key":"bibtex:number","value":""},{"key":"bibtex:organization","value":""},{"key":"bibtex:pages","value":"61-75"},{"key":"bibtex:publisher","value":"Heinrich-Barth-Institut"},{"key":"bibtex:school","value":""},{"key":"bibtex:series","value":"Africa Praehistorica"},{"key":"bibtex:type","value":"inbook"},{"key":"bibtex:key","value":""},{"key":"bibtex:url","value":""},{"key":"bibtex:volume","value":"27"},{"key":"bibtex:year","value":"2013"},{"key":"Spatial","value":"{\"type\":\"Polygon\",\"coordinates\":[[[25,30.32],[30.53,22.05],[30.53,22.05],[25,22.05]]]}"}],"groups":[{"image_url":"http://crc806db.uni-koeln.de/fileadmin/template/images/projects/imageA1.png","name":"a1"}],"author":" Karin Kindermann","author_email":false}{"help":"Update a dataset (package).\n\n You must be authorized to edit the dataset and the groups that it belongs\n to.\n\n Plugins may change the parameters of this function depending on the value\n of the dataset's ``type`` attribute, see the ``IDatasetForm`` plugin\n interface.\n\n For further parameters see ``package_create()``.\n\n :param id: the name or id of the dataset to update\n :type id: string\n\n :returns: the updated dataset (if 'return_package_dict' is True in the\n context, which is the default. Otherwise returns just the\n dataset id)\n :rtype: dictionary\n\n ","success":false,"error":{"message":"Unable to add package to search index: Solr returned an error: 500 Lock obtain timed out: NativeFSLock@\/var\/lib\/solr\/data\/index\/lucene-d6f7b3bf6fe64f362b4d45bfd4924f54-write.lock org.apache.lucene.store.LockObtainFailedException: Lock obtain timed out: NativeFSLock@\/var\/lib\/solr\/data\/index\/lucene-d6f7b3bf6fe64f362b4d45bfd4924f54-write.lock \tat org.apache.lucene.store.Lock.obtain(Lock.java:85) \tat org.apache.lucene.index.IndexWriter.init(IndexWriter.java:1562) \tat org.apache.lucene.index.IndexWriter.(IndexWriter.java:1418) \tat org.apache.solr.update.SolrIndexWriter.(SolrIndexWriter.java:191) \tat org.apache.solr.update.UpdateHandler.createMainIndexWriter(UpdateHandler.java:98) \tat org.apache.solr.update.DirectUpdateHandler2.openWriter(DirectUpdateHandler2.java:173) \tat org.apache.solr.update.DirectUpdateHandler2.addDoc(DirectUpdateHandler2.java:220) \tat org.apache.solr.update.processor.RunUpdateProcessor.processAdd(RunUpdateProcessorFactory.java:61) \tat org.apache.solr.handler.XMLLoader.processUpdate(XMLLoader.java:139) \tat org.apache.solr.handler.XMLLoader.load(XMLLoader.java:69) \tat org.apache.solr.handler.ContentStreamHandlerBase.handleRequestBody(ContentStreamHandlerBase.java:54) \tat org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:131) \tat org.apache.solr.core.SolrCore.execute(SolrCore.java:1317) \tat org.apache.solr.servlet.SolrDispatchFilter.execute(SolrDispatchFilter.java:338) \tat org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:241) \tat org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157) \tat org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:388) \tat org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216) \tat org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:182) \tat org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:766) \tat org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:418) \tat org.mortbay.jetty.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:230) \tat or - \n\n\nError 500 Lock obtain timed out: NativeFSLock@\/var\/lib\/solr\/data\/index\/lucene-d6f7b3bf6fe64f362b4d45bfd4924f54-write.lock\n\norg.apache.lucene.store.LockObtainFailedException: Lock obtain timed out: NativeFSLock@\/var\/lib\/solr\/data\/index\/lucene-d6f7b3bf6fe64f362b4d45bfd4924f54-write.lock\n\tat org.apache.lucene.store.Lock.obtain(Lock.java:85)\n\tat org.apache.lucene.index.IndexWriter.init(IndexWriter.java:1562)\n\tat org.apache.lucene.index.IndexWriter.<init>(IndexWriter.java:1418)\n\tat org.apache.solr.update.SolrIndexWriter.<init>(SolrIndexWriter.java:191)\n\tat org.apache.solr.update.UpdateHandler.createMainIndexWriter(UpdateHandler.java:98)\n\tat org.apache.solr.update.DirectUpdateHandler2.openWriter(DirectUpdateHandler2.java:173)\n\tat org.apache.solr.update.DirectUpdateHandler2.addDoc(DirectUpdateHandler2.java:220)\n\tat org.apache.solr.update.processor.RunUpdateProcessor.processAdd(RunUpdateP","__type":"Search Index Error"}}