What this source contributes.
Reports a negative-ion rain-enhancement trial in China. The evaluated rainfall difference did not provide conventional statistical significance; natural rainfall variability complicates attribution.
Scope of our check
Primary trial report and public review comments assessed in the Weatherhill evidence audit.
Primary trial report and public review comments assessed in the Weatherhill evidence audit.
Primary material consulted
This is a bounded reading note. It is not independent replication, a full systematic review or an endorsement of every conclusion in the paper.
Questions to take to the paper
- Was allocation randomized, and was the analysis specified first?
- What cloud and weather regime was eligible?
- Is the claimed change a local event, a seasonal total or a model estimate?
Keep the evidence attached to its setting.
A simulation, chamber result, field observation and operational outcome answer different questions. Record the comparator, measured quantity and conditions before carrying a result into a design.
A simulation, chamber result, field observation and operational outcome answer different questions. Record the comparator, measured quantity and conditions before carrying a result into a design.
Bibliographic provenance
Verified 2026-10-11 against the publisher-deposited metadata record. Publication dates retain the precision supplied by the publisher. Metadata may reflect digital republication; it is not always the earliest historical publication date.