Technical progress of China’s national remote sensing mapping: from mapping western China to national dynamic mapping

Figures & data

Figure 1. The coverage map of MWC project (red gird)

Figure 2. Mapping production

Figure 3. Interface of the intelligent interpretation workstation “FeatureStation”

Table 1. Sensor information of ZY-3

ZY-3	Bandnumber	Band range (μm)	Spatialresolution (m)	Width(km)	Revisit time (day)
Front view	-	0.50–0.80	3.5	52	5
Back view	-	0.50–0.80	3.5	52	5
Forword view	-	0.50–0.80	2.1	51	5
Multispectral camera	1 2 3 4	0.45–0.52 0.52–0.59 0.63–0.69 0.77–0.89	6	51	5

Table 2. Sensor information of GF and GJ

Sensor	Revisit time	Spatial resolution	Spectral resolution	Width
GF-1	4 days	PMS:2 m + 8 m WFV:16 m	PAN+RGB+NIR	PMS:60 km WFV:800 km
GF-2	5 days	PMS:1 m + 4 m	PAN+RGB+NIR	45 km
GJ-1	1 days	PMS:0.5 m + 2 m	PAN+RGB+NIR	12 km

Figure 4. Development of mapping ability for national dynamic mapping

Figure 5. SAR mapping system

Figure 6. Workflow of database linkage update

Data Availability Statement

Data sharing is not applicable to this article as no new data were created or analyzed in this study.