Environmental Informatics 2003

Disturbed Landscapes: Case Study Lusatian Lignite Mining District

Wed, 01 Jan 2003 00:00:00 GMT

Disturbed Landscapes: Case Study Lusatian Lignite Mining District Hüttl, Reinhard F. Gnauck, Albrecht; Heinrich, Ralph World-wide Germany is the leading lignite mining nation. Most of the lignite is produced in opencast operations. However, opencast mining causes enormous impacts on natural ecosystems and even on entire landscapes. The extensive production of lignite particularly in eastern Germany results in large devastated areas which so far have been reclaimed only to some part. For the restoration of the post-mining area of more than 80,000 ha the major land use option is the reestablishment of forest ecosystems. However, adverse site conditions of the post-mining landscape such as extreme soil acidification and salt concentrations call for specific recultivation practices. Therefore, after the German reunification new reclamation and reforestation concepts have been developed for these brown coal areas of eastern Germany by the Collaborative Research Center (SFB 565) at the Brandenburg University of Technology at Cottbus (Germany). As a case study our comprehensive investigations into forest ecosystem development on terra nova in the Lusatian lignite mining district, south-east of Berlin, will be presented.

Online-Processing of 21⁄2 — Dimensional Groundwater Maps

Wed, 01 Jan 2003 00:00:00 GMT

Online-Processing of 21⁄2 — Dimensional Groundwater Maps Rüppel, Uwe; Gutzke, Thomas; Petersen, Michael; Seewald, Gerrit Gnauck, Albrecht; Heinrich, Ralph Auf Grund der Komplexität von hydrogeologischen Systemen, vieler beteiligter Unternehmen und Institutionen und nicht zuletzt der fehlerbehafteten und lückenhaften Datengrundlage, existieren für große Grundwassereinzugsgebiete i.d.R. keine einheitlichen, unternehmensübergreifenden Bewirtschaftungskonzepte. Dieser Beitrag beschreibt das Pilotprojekt 'Grundwasser-Online' (www.grundwasser-online.de), welches sich zum Ziel gesetzt hat, die Grundwassersituation in kritischen Regionen zeitnah zu erfassen, zu überwachen und zu bewerten sowie steuernd darauf einzuwirken. Dazu wird ein internetbasiertes Bewirtschaftungssystem etabliert. Eine wesentliche Methode zur fachgerechten Auswertung der Grundwassersituation stellt dabei die Auswertung von flächenhaften 21⁄2-dimensionalen Karten, in Form von Grundwassergleich-, Differenzenund Flurabstandsplänen dar, die mit dem vorgestellten System automatisiert mit internet-basierten Software-Modulen gebietsübergreifend generiert werden können.

Online — Visualization of Water Level Data in North Rhine-Westfalia (NRW)

Wed, 01 Jan 2003 00:00:00 GMT

Online — Visualization of Water Level Data in North Rhine-Westfalia (NRW) Fuest, Stefan Gnauck, Albrecht; Heinrich, Ralph Knowledge about the current environmental situation is necessary if immediate decisions are to be made about the production of mankind, nature and cultural assets. Up-to-date information about water levels are therefore of high significance, when water levels breach the banks of rivers and lead flooding problems. This has been a reason for the regional environmental authority of NRW to provide all of the local authorities belonging to the region with an intranet-based information system. These authorities now have access to up-to-date water level data (< 15 minute) which can be processed in the form of maps, lists and time series graphs. Furthermore, the system can be configured in several different ways by an administrator. This is also done through the use of Browser technology. The system is based on modern technology (ArcIMS as an internet map server and WISKI as a water resources management information system) as well as high standards (WMS data processing of the WISKI data for cartographic representation).

Data Evaluation Using the Generic Selection Component of the New IMIS System

Wed, 01 Jan 2003 00:00:00 GMT

Data Evaluation Using the Generic Selection Component of the New IMIS System Horn, Matthias; Triestram, Volkmar; van Nouhuys, Jo Gnauck, Albrecht; Heinrich, Ralph IMIS is a federal information system for forecast and decision support that interprets and forecasts radioactivity in the environment. Following the nuclear accident in Chernobyl a programme "Arbeitsprogramm der Bundesregierung" was established in 1986. By the end of 1986 a federal law “Strahlenschutz Vorsorge Gesetz (StrVG)” was adopted, that governs radiation protection and precaution. Besides other rules the “StrVG” contains guidelines for the installation of an information system for premonition of radioactivity in the environment. The first version of the integrated measurement and information system (IMIS) was developed between 19xx and 19xx. The system currently used will be replaced by a new IMIS which is now under development by Condat Informationssysteme AG. This contribution presents the components of the new IMIS which are used for data evaluation. An integral part is a generic selection component which provides a decoupling of the technical data model, the terminology presented to the professional end user, and the data used for visualisation. This decoupling enables the new IMIS to be extended with low efforts and offers the potential to reuse the functionality built into IMIS in future environmental information systems. This potential is not restricted to radiology. It is open to other environmental issues such as pollution or epidemic control.