slope_data = {
const d3 = await require('d3-time-format');
aq.addFunction('parse_mdy', d3.timeParse('%m/%d/%Y %H:%M'), { override: true });
return aq.fromCSV(
await FileAttachment("upwelling_slope.csv").text())
.derive({ datetime: d => op.parse_mdy(d.datetime) })
.derive({ CUTI: d => (d.sst - 15) * d.windspeed })
.derive({ BEUTI: d => d.sst * d.chl })
}