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Table 2 Consolidated science and users’ requirements for earth observation, as reported in [161]

From: Cold atoms in space: community workshop summary and proposed road-map

Spatial resolution

Equivalent water height

Geoid

 

Monthly field

Long-term trend

Monthly field

Long-term trend

Threshold requirements

400 km

5 mm

0.5 mm/yr

50 μm

5 μm/yr

200 km

10 cm

1 cm/yr

0.5 mm

0.05 mm/yr

150 km

50 cm

5 cm/yr

1 mm

0.1 mm/yr

100 km

5 m

0.5 m/yr

10 mm

1 mm/yr

Target objectives

400 km

0.5 mm

0.05 mm/yr

5 μm

0.5 μm/yr

200 km

1 cm

0.1 cm/yr

0.05 mm

5 μm/yr

150 km

5 cm

0.5 cm/yr

0.1 mm

0.01 mm/yr

100 km

0.5 m

0.05 m/yr

1 mm

0.1 mm/yr