Document Type

Report

Publication Date

January 1974

Abstract

Introduction and Overview: This is an interim report on Phase II of the three phase study. The objectives covered in this phase were: 1. To gather social and hydrologic data needed to calibrate and test the model. 2. The expand the physical model to include the rural part of the watersheds. 3. To test and improve techniques of the logical linking of the hydrologic and sociologic systems. 4. To begin adapting the model to the computer. During the second phase for the hydrologic component of the model major emphasis was placed on the expansion of the hydrologic area and the collection and analysis of additional physical data. The major emphasis for the sociologic part of the model was on the gathering of social data by the re-designing and testing of an improved research instrument (schedule or questionaire_ and administration of this schedule to a random sample of the general population in the urbanized area. The urbanized area is related to the physical hydrologic area of the study. The data were collected to improve the basic methodology and conceptualizations for linking the hydrologic and sociologic systems together in one model. Division of this report: Section II of this interim report deals with development of the physical component of they hydrologic-sociologic model. It describes the expansion of the hydrologic to include the rural parts of the watershed and tests for validation of they physical submodel. Section III review the ype of work done in Phase II of the sociological work. This consisted of: (1) reviewing the accomplishments and limitations of the first phase; (2) redesigning the questionaire to correct deficiencies in the one used in the first study, to measure additional variables throught to perhaps be relevant to the problem, and where desireable, to adapt them to the general population of the area rather than to specialized populations; (3) pretesting of component parts of the revised schedule; (4) drawing of a random sample from the population; (5) interviewing of the sample; (6) coding and processing of data for analysis; and (7) preliminary analysis of the results of the data. Progress made in the mathematical formulations of social elements is vital. The refinement of meaurement of the population data for use in the model is of central importance since the effectiveness of the testing, verification, and consequent improvement of the model depends on the accuracy of the measurement of the variables involved. Section IV shows some details on the work performed in interrelating the sociologic and hydrologic components of the model, and on one possible mathematical formulation which shows some of the interrelationships between these components. It is hoped that the formulation achieved will be useful to planners, not only in increased understanding of the total system, but also in the analysis of the merits of flood-control proposals relative to the social characteristics of particular areas. Section V discusses the purposes of the work in Phase II and the objectives expected to be met during the coming phase.

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