Sections
7.2 and
7.3 describe LST and LSE retrieval algorithms. Despite the numerous available algorithms, few algorithms can retrieve LST and LSE on a large scale and thereby generate LST and LSE products. As a result of complex and variable land surface conditions, the accuracy of assumptions and approximations related to these algorithms is challenged. Typically, the assumptions and approximations established on a local scale are false at larger scales. Additionally, algorithm complexity and operational efficiency are the major factors limiting the generation of products on a large scale. Tables
7.10 and
7.11 list typical LST and LSE products and their characteristics.