Table 1 Historical satellite and aerial imagery datasets used in this study

From: Machine learning-based identification of ancient water management facilities in Liangzhu, China

Data sourcea

Time

Scenes

Resolution

Unknown

1945-05-30

7

 

Unknown

1946-05-24

1

 

Unknown (Chinese military)

1954

40

 

Unknown (Chinese military)

1963

26

 

Unknown

1960s

36

 

U2 C174C-9l-0976/0980/0981/0985/0991/0995/0996

1964-07-07

12

0.6 m

U2 C174C-9r-0980/0981/0985/0994/0995

   

CORONAK H-4B DS1105-1086DA136+137

1968-11-09

2

1.8 m

CORONAK H-4B DS1106-2086DA079+78

1969-02-11

2

1.8 m

CORONAK H-4B DS1106-2086DF071+72

1969-02-11

2

1.8 m

CORONAK H-4B DS1108-1070DA089+90

1969-12-09

2

1.8 m

CORONAK H-4B DS1108-1070DF083+084

1969-12-09

2

1.8 m

HEXAGON D3C1204-400530A044+45

1972-11-24

2

0.6–1.2 m

  1. aAll images are provided by Zhejiang Provincial Institute of Cultural Relics and Archaeology, China.
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