caa a22 4500 445300876 CHVBK 20180317142557.0 cr unu---uuuuu 170323e20100501xx s 000 0 eng 10.1007/s11430-010-0021-3 doi (NATIONALLICENCE)springer-10.1007/s11430-010-0021-3 Principles and methods for the validation of quantitative remote sensing products [Elektronische Daten] [RenHua Zhang, Jing Tian, ZhaoLiang Li, HongBo Su, ShaoHui Chen, XinZhai Tang] We first discuss the relativity of "true value and homogeneity” for quantitative remote sensing products (QRSPs), and then propose the definitions of "eigenaccuracy” and "eigenhomogeneity” under practical conditions. The eigenaccuracy and eigenhomogeneity for land surface crucial parameters such as albedo, leaf area index (LAI), and surface temperature are analyzed based on a series of experiments. Secondly, we point out the differences and similarities between the scale-free phenomena of the QRSPs and the measurements of the coastline length (1-dimensional) and the curved surface area (2-dimensional). An information fractal algorithm for the QRSPs is presented. In a case study for the LAI, when the fractal dimension is 2.16, the ratio of the LAI retrieval values obtained respectively from remote sensing data of 30 m and 6 km pixel resolution can actually reach as high as 2.86 for the same 6 km pixel using the same retrieval model. Finally, we propose an operational validation method "one test and two matches” and multipoint observation when the real situation does not allow carrying out scanning measurement without gap and overlap on the ground surface. Science China Press and Springer-Verlag Berlin Heidelberg, 2010 quantitative remote sensing productions (QRSPs) nationallicence validation nationallicence eigenaccuracy nationallicence eigenhomogeneity nationallicence scale-free phenomenon nationallicence information fractal dimension nationallicence scaling nationallicence Zhang RenHua Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, 100101, Beijing, China aut Tian Jing Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, 100101, Beijing, China aut Li ZhaoLiang Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, 100101, Beijing, China aut Su HongBo Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, 100101, Beijing, China aut Chen ShaoHui Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, 100101, Beijing, China aut Tang XinZhai Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, 100101, Beijing, China aut Science China Earth Sciences SP Science China Press 53/5(2010-05-01), 741-751 1674-7313 53:5<741 2010 53 11430 https://doi.org/10.1007/s11430-010-0021-3 text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1007/s11430-010-0021-3 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Zhang RenHua Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, 100101, Beijing, China aut NATIONALLICENCE 700 1- Tian Jing Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, 100101, Beijing, China aut NATIONALLICENCE 700 1- Li ZhaoLiang Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, 100101, Beijing, China aut NATIONALLICENCE 700 1- Su HongBo Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, 100101, Beijing, China aut NATIONALLICENCE 700 1- Chen ShaoHui Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, 100101, Beijing, China aut NATIONALLICENCE 700 1- Tang XinZhai Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, 100101, Beijing, China aut NATIONALLICENCE 773 0- Science China Earth Sciences SP Science China Press 53/5(2010-05-01), 741-751 1674-7313 53:5<741 2010 53 11430 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer