{"name":"response-to-comment-by-brovkin-and-claussen-on-climate-driven-ecosystem-succession-in-the-sahara","title":"Response to Comment by Brovkin and Claussen on \u201cClimate-Driven Ecosystem Succession in the Sahara: The Past 6000 Years\u201d","maintainer":"Christian Schepers","maintainer_email":"christian_schepers@online.de","notes":"The Lake Yoa record and archaeological data provide adequate evidence that mid-Holocene\r\naridification did not occur abruptly across all of North Africa. Modeling results on the\r\nissue of abrupt versus gradual desiccation of the Sahara are sufficiently diverse that paleoecological\r\ndata from a continuous natural archive can usefully guide the evaluation of model parameters\r\nresponsible for this diversity.","type":"researchdata","resources":[{"description":"","format":"PDF","url":"http://crc806db.uni-koeln.de/data/Phase_1/A/A2/data/000/Kr\u00f6pelin_etal_2008_Response_Comment_Brovkin.pdf","created":"2014-10-22T14:20:39.578659","state":"active","package_id":"859892a0-857d-405f-934e-cff53a1c8107","last_modified":"2021-10-23T03:10:44","id":"bdf78a3e-f5f2-4bce-949c-46fa7ad3e7d1","name":"Kr\u00f6pelin_etal_2008_Response_Comment_Brovkin.pdf"}],"tags":[{"name":"chad"},{"name":"lake yoa"},{"name":"mid-holocene"},{"name":"paleoecology"},{"name":"qunianga"},{"name":"sahara"}],"extras":[{"key":"bibtex:address","value":""},{"key":"bibtex:author","value":"Kr\u00f6pelin S., Verschuren D., L\u00e9zine A.-M. "},{"key":"bibtex:booktitle","value":""},{"key":"bibtex:citation","value":"Kr\u00f6pelin S., Verschuren D., L\u00e9zine A.-M. (2008): Response to Comment by Brovkin and Claussen on \u201cClimate-Driven Ecosystem Succession in the Sahara: The Past 6000 Years\u201d. In: Science 322: 1326"},{"key":"bibtex:doi","value":"10.1126/science.1163483"},{"key":"bibtex:editor","value":""},{"key":"bibtex:howpublished","value":""},{"key":"bibtex:isbn","value":""},{"key":"bibtex:journal","value":"Science"},{"key":"bibtex:month","value":""},{"key":"bibtex:number","value":"5906"},{"key":"bibtex:organization","value":""},{"key":"bibtex:pages","value":"1326"},{"key":"bibtex:publisher","value":""},{"key":"bibtex:school","value":""},{"key":"bibtex:series","value":""},{"key":"bibtex:type","value":"article"},{"key":"bibtex:key","value":""},{"key":"bibtex:url","value":""},{"key":"bibtex:volume","value":"322"},{"key":"bibtex:year","value":"2008"}],"groups":[{"image_url":"http://crc806db.uni-koeln.de/fileadmin/template/images/projects/imageA2.png","name":"a2"}],"author":" Christian Schepers","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"}}