claim: Using satellite data rather than tide-gauge data that is normally used to measure sea levels allows for more precise estimates of global sea level, since it provides measurements of the open ocean.
evidences.evidence_id: OSTM/Jason-2:2
evidences.article: OSTM/Jason-2
evidences.evidence: These very accurate observations of variations in sea surface height—also known as ocean topography—provide information about global sea level, the speed and direction of ocean currents, and heat stored in the ocean.
evidences.votes: SUPPORTS NOT_ENOUGH_INFO
evidences.evidence_id: Remote sensing:22
evidences.article: Remote sensing
evidences.evidence: Laser and radar altimeters on satellites have provided a wide range of data.
evidences.votes: SUPPORTS SUPPORTS
evidences.evidence_id: Remote sensing:25
evidences.article: Remote sensing
evidences.evidence: Ultrasound (acoustic) and radar tide gauges measure sea level, tides and wave direction in coastal and offshore tide gauges.
evidences.votes: NOT_ENOUGH_INFO SUPPORTS
evidences.evidence_id: Sea level rise:31
evidences.article: Sea level rise
evidences.evidence: Tide gauges can only measure relative sea level, whilst satellites can also measure absolute sea level changes.
evidences.votes: SUPPORTS SUPPORTS
evidences.evidence_id: Tide gauge:0
evidences.article: Tide gauge
evidences.evidence: A tide gauge is a device for measuring the change in sea level relative to a vertical datum.
evidences.votes: NOT_ENOUGH_INFO SUPPORTS