Based upon the results of phase 1, all contributions of phase 2 will be integrated in a common framework that is designed for the GLOWA mandate "to provide scientific support for water management". This integration is based upon the key tools,

• WEAP, the Water Evaluation and Planning tool and
• SAS, the Story and Simulation scenario development.

WEAP will integrate and visualize all water supply, demand and quality information generated in GLOWA Jordan River, and allows to simulate and assess the system-wide effects of global change effects and management interventions.

SAS, the Story and Simulation approach will integrate GLOWA Jordan River data with stakeholders knowledge, by generating fully quantitative and at the same time realistic and agreed upon scenarios of the future water system.

Both tools are adapted for the region and will be developed and applied in constant cooperation with key stakeholders. They are designed to support decision making by providing integrated views of the regional water system at reduced complexity, also addressing inherent uncertainties.

The integration in phase 2 is based on the green and blue water concept (Falkenmark and Rockström 2004*), aiming at a better understanding of the eco-hydrological links and feedbacks between water, vegetation and land use, for evaluating different water management and allocation options, in order to maximize the benefits for humans and ecosystems under different scenarios.

In phase 2, basic data collection will be reduced to a minimum, except for cases where new field work was established in phase 1 and long-term effects need to be established. Instead, we will largely build on data obtained in phase 1, and ain efforts are concentrated on integrating available data and information from GLOWA and beyond, and simulating different scenarios. Results will be generalized and regionalized beyond the focus regions of phase 1 to the full Jordan River basin.

*Falkenmark, M., Rockström, J., 2004. Balancing Water for Humans and Nature. Earthscan Publications Ltd., London.