Solidarity Factors of the loops of Humanitarian Supply Chain Management in Natural Disaster

since numerous natural disasters occur in the world every year, it is important to have a humanitarian supply chain because it makes it easy to transfer of necessities to the victims and related first aiders. The aim of the present study is to introduce the coherence factors in the loops of humanitarian supply chain.
in this review research, more than 20 foreign and national articles were studied along with taking notes to introduce the coherence factors in loop of humanitarian supply chain and the identified factors were classified based on theory of technology, organization and environment (TOE).
Findings: This study reveals that three main factors namely organization, environment, technology as well as fourteen indices including high management, human resource, assessment, quality management. Logistic, strategy and planning, organizational cultural, social and cultural conditions logical politic conditions, economic conditions, environmental technology, geological conditions, intelligence systems, and training technology affect the performance of humanitarian supply chain. Then, each of the above indices is subdivided into other indices which build a collection of 65 sub- indices.
the result of the research show that a disaster management needs an efficient and coherent supply chain to bind the measure and activities of all organizations involving in a disaster, and any deficiency in above factors leads to breaking humanitarian supply chain.