19 research outputs found
Searching for the right problem:A case study in water management about the relation between information and decision making in regional EIA
What's on a decision makers mind? - Identifying barriers in information flows between actors in integrated water management using mental model mapping. Poster.
Models and output are interpreted in conflicting frames that cause the gaps to be unbridgeable
Searching for the right problem. A case study in water management about the relation between information and decision making in regional EIA
Without a common mental model a DSS makes no sense (a new approach to frame analysis using mental models)
Four-Color And Hβ Photometry of Stars in the Galactic Cluster NGC 129
Four-color and photometry has been obtained for 22 stars in the field of the open cluster NGC 129. Based on this photometry, the membership of these stars in the cluster is discussed and it is found that many are field stars. The color excesses for cluster members obtained here range from E(b – y) = 0.207 to 0.513 and are larger than those found from previous UBV photometry. It has been suggested that this cluster contains a nonvariable Cepheid strip star. However, the present reddening places this star at the edge of the instability strip. A true distance modulus of 10.93 mag is found for this cluster, which is less than some previous values