Preservação e acesso - Vitrine com controle de umidade para material fóssil: Um estudo de caso em clima quente e úmido

Abstract

This work presents a case study developed in Museum of Natural History and Botanical Garden of UFMG - MHNJB with the objective to obtain better preservation conditions for the Collection of Paleontology involving an integrated aproach of the natural environmental behavior and of the conception of the exhibition system. It describes the process adopted to elaborate a new system involving the systematic investigation of the objects that constitute the collection (physical characteristics and vulnerabilities to degradation) and the natural environmental behavior as reference to define the preservation guidelines to be adopted. Leaving of the identified reality in MHNJB, it approaches the need in promoting preservation conditions which a priori could be considered antagonistic: guard - access. A hybrid system was tested starting from the revision of Thomson´s theory, being adopted a change of larger air exchange (through the use of forced ventilation) together with the use of buffering material. The efficiency of the system, therefore, was analyzed in function of its capacity to buffer the humidity and to reduce the existent biological contamination.