2b:null 2c:["$","title",null,{"children":"Changes in the volume of water in Lake Mead and Lake Powell | Jillian Dudziak's Workspace | Observable"}] 31:Ta99,line2={ const wrapper = html`

Changes in the volume of water in Lake Mead and Lake Powell

As of 2023, the volume of water in Lake Mead and Lake Powell has decreased to around 30% of its 2000 levels.

`; const container = html`

` wrapper.appendChild(container); const data_source=html`

Data Source: Lake Mead Water Database, Lake Powell Water Database

` wrapper.appendChild(data_source); yield wrapper; const line = new G2Plot.Line(container, { title: { visible: true, text: 'Lake Mead and Lake Powell Average Content', }, height: 340, data: lake2, padding: 'auto', margin: 'auto', appendPadding:10, limitInPlot:false, xField: 'Year', yField: 'CONTENT', seriesField: 'Lake', yAxis:{ title: { text: 'Acre-feet', style: { fontSize: 16, }, }, label: { formatter: (text) => { const value = parseInt(text, 10); if (value >= 1000000) { return `${value / 1000000} million`; } return text; }, } }, xAxis: { type: 'cat', tickInterval: 5, }, tooltip: { formatter: (datum) => { const value = parseInt(datum.CONTENT, 10); let result = {}; result.name = datum.Lake; result.value = ''; if (value >= 1000000000) { result.value += `${(value / 1000000000).toFixed(2)} billion acre-feet`; } else if (value >= 1000000) { result.value += `${(value / 1000000).toFixed(2)} million acre-feet`; } else { result.value += `${value} acre-feet`; } // convert to cubic liters let cubicLiters = value * 1233.48; 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