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launch_emis.html
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<!doctype html>
<html>
<head>
<meta charset="UTF-8">
<title>Rocket Launch Emissions</title>
</head>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" lang="en-US">
<head profile="http://gmpg.org/xfn/11">
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
<title>Atmospheric Composition and Air Quality Group</title>
<link rel="stylesheet" href="style.css" type="text/css" media="screen" />
<style type="text/css" media="screen">
#page { background: url("./themes/default/images/kubrickbgwide.jpg") repeat-y top; border: none; }
</style>
<script src="https://cdn.plot.ly/plotly-latest.min.js"></script>
<script src="//unpkg.com/globe.gl"></script>
<!-- begin gallery scripts -->
<link rel="stylesheet" href="./plugins/featured-content-gallery/css/jd.gallery.css.php" type="text/css" media="screen" charset="utf-8"/>
<link rel="stylesheet" href="./plugins/featured-content-gallery/css/jd.gallery.css" type="text/css" media="screen" charset="utf-8"/>
<script type="text/javascript" src="./plugins/featured-content-gallery/scripts/mootools.v1.11.js"></script>
<script type="text/javascript" src="./plugins/featured-content-gallery/scripts/jd.gallery.js.php"></script>
<script type="text/javascript" src="./plugins/featured-content-gallery/scripts/jd.gallery.transitions.js"></script>
<!-- end gallery scripts -->
<!---<style type="text/css"></style>
#headerimg h1 a, #headerimg h1 a:visited, #headerimg .description { color: #FFFFFF; }
--->
</head>
<body>
<div id="page">
<!---<style>.color-box{background-color: white; width: 917px; height: 42px; margin-left:32px; margin-top:-52px; border-color:black; border-style:solid; border-width:1px}</style>
<style>.transparent-box{background-color: transparent; width: 917px; height: 162px; margin-left:32px; margin-top:-42px; border-color:transparent}</style>--->
<div id="header">
<div id="headerimg">
<h1><a style="color:black" href="http://maraisresearchgroup.co.uk/"><div class="transparent-box">Atmospheric Composition and Air Quality Group</div></a></h1>
<h1><a href="http://maraisresearchgroup.co.uk/"><div class="transparent-box"></div></a></h1>
<div class="description"></div>
</div>
<!--Navigation bar-->
<div id="navmenu">
<iframe src="./nav.html" onload="this.before((this.contentDocument.body||this.contentDocument).children[0]);this.remove()"></iframe>
</div>
</div>
<hr />
<div id="content" class="widecolumn">
<div class="post" id="post-3">
<span id="top"><h2>Emissions from Rocket Launches</h2>
<div class="entry">
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.15.3/css/all.min.css" integrity="sha512-iBBXm8fW90+nuLcSKlbmrPcLa0OT92xO1BIsZ+ywDWZCvqsWgccV3gFoRBv0z+8dLJgyAHIhR35VZc2oM/gI1w==" crossorigin="anonymous" referrerpolicy="no-referrer" />
<style>
.wrap-text {
white-space: normal;
word-wrap: break-word;
max-width: 500px; /* Adjust the width as needed */
}
/* Container to align the maps side by side */
.map-container {
display: flex;
justify-content: space-between;
gap: 20px;
padding: 20px;
/* Ensure container size is constrained */
width: 100%; /* or set a specific width like 80% if desired */
height: 100%; /* You can adjust this as needed */
box-sizing: border-box; /* Ensure padding is included in the container size */
}
/* Prevent flex items from stretching */
.globe-container {
flex-shrink: 0;
flex-grow: 0;
width: 100%; /* Ensure it fills the available space */
height: 100%; /* Ensure it fills the available height */
}
/* Prevent flex items from stretching */
.bar-container {
width: 100%; /* Ensure it fills the available space */
height: 100%; /* Ensure it fills the available height */
}
/* Style for the tabs */
.tabs {
display: flex;
cursor: pointer;
margin-bottom: 10px;
}
.tab {
padding: 10px 20px;
margin-right: 10px;
background-color: #f0f0f0;
border: 1px solid #ccc;
border-radius: 5px;
}
.tab:hover {
background-color: #ddd;
}
.active-tab {
background-color: #ccc;
font-weight: bold;
}
/* Initially hide both containers */
.globe-container, .map-container, .bar-container {
display: none;
}
/* Show active container */
.active-container {
display: block;
}
.map {
flex: 1;
height: 100%;
}
.globe {
flex: 1;
height: 100%;
}
.bar {
width: 100%;
}
/* Container to align the tables side by side */
.table-container {
display: flex;
justify-content: space-between;
gap: 20px;
}
/* Table styling */
table {
width: 100%;
margin-top: 20px;
border-collapse: collapse;
padding: 10px;
white-space: nowrap;
}
th, td {
padding: 10px;
text-align: left;
border: 1px solid #ddd;
white-space: nowrap;
}
th {
background-color: #f4f4f4;
}
tfoot {
font-weight: bold;
background-color: #f9f9f9;
}
.faq-item {
display: block;
/*width: 38vw;
min-width: 350px;*/
margin-top: 0.5rem;
}
.item-question {
background: #143d59;
color: whitesmoke;
font-size: 1rem;
padding: 0.5rem;
display: flex;
justify-content: space-between;
align-items: center;
}
.question-text {
display: inline-block;
}
.arrows-container {
margin: 0.4rem;
}
.item-answer {
display: none;
color: rgb(0, 0, 0);
padding: 2rem;
}
.close {
display: none;
}
.show-answer .item-answer {
display: block;
background: #8dc4ee;
}
.show-answer .close {
display: inline;
}
.show-answer .expand {
display: none;
}
</style>
<div class="entry">
<br>
<label for="datePicker">Please select a date during 2020-2022. Future years will be available in a future update. </label>
<input type="date" id="datePicker1" name="datePicker1">
<input type="date" id="datePicker2" name="datePicker2">
<br>
<br>
<!-- Tabs for globe and map -->
<div class="tabs">
<div class="tab" id="globe-tab" onclick="toggleContainer('globe')">Globe</div>
<div class="tab" id="map-tab" onclick="toggleContainer('map')">Map</div>
<div class="tab" id="bar-tab" onclick="toggleContainer('bar')">Bar</div>
</div>
<!-- Globe container -->
<div id="globe-container" class="globe-container">
<div id="globeplot" class="globe"></div> <!-- First globe container -->
</div>
<!-- Map containers -->
<div id="map-container" class="map-container">
<div id="map1" class="map"></div> <!-- Map container -->
</div>
<div id="bar-container" class="bar-container">
<div id="bar1" class="bar"></div> <!-- Bar container -->
</div>
<!-- Table for Launch Locations -->
<div class="table-container">
<div>
<h3>Launch Information (emissions in tonnes, time in UTC). SMC = Satellite Megaconstellation.</h3>
<table id="launchTable">
<thead>
<tr>
<th>Date</th>
<th>ID</th>
<th>Time</th>
<th>Launch Site</th>
<th>Rocket</th>
<th>SMC</th>
<th>BC</th>
<th>CO</th>
<th>CO<sub>2</sub></th>
<th>H<sub>2</sub>O</th>
<th>Al<sub>2</sub>O<sub>3</sub></th>
<th>Cl<sub>y</sub></th>
<th>NO<sub>x</sub></th>
</tr>
</thead>
<tbody id="launchTableBody">
<!-- Dynamic rows for launch locations will be inserted here -->
</tbody>
<tfoot id="launchTableFoot">
<!-- Totals for launches -->
</tfoot>
</table>
</div>
</div>
<script>
// Function to toggle containers
function toggleContainer(containerType) {
// Reset classes for all tabs and containers
document.querySelectorAll('.tab').forEach(tab => tab.classList.remove('active-tab'));
document.querySelectorAll('.globe-container, .map-container, .bar-container').forEach(container => container.classList.remove('active-container'));
// Add active class to the clicked tab
if (containerType === 'globe') {
document.getElementById('globe-tab').classList.add('active-tab');
document.getElementById('globe-container').classList.add('active-container');
} else if (containerType === 'map') {
document.getElementById('map-tab').classList.add('active-tab');
document.getElementById('map-container').classList.add('active-container');
} else if (containerType === 'bar') {
document.getElementById('bar-tab').classList.add('active-tab');
document.getElementById('bar-container').classList.add('active-container');
}
}
// Initialize with the globe container active
toggleContainer('globe');
let locations1 = [];
async function fetchEventsData(startDate,endDate) {
try {
// Fetch the data from the API (replace with your actual API URL)
const response1 = await fetch(`https://cbarker.pythonanywhere.com/api/launches?start_date=${startDate}&end_date=${endDate}`); // Replace with your actual API URL
const launchData = await response1.json();
const launch_date = [];
const launch_time = [];
const lat = [];
const lon = [];
const text = [];
const id = [];
const BC = [];
const CO = [];
const CO2 = [];
const H2O = [];
const Al2O3 = [];
const Cly = [];
const NOx = [];
const rocket = [];
const smc = [];
const location = [];
Object.keys(launchData).forEach(date => {
launchData[date].launches.forEach(launch => {
launch_date.push(launch.date);
launch_time.push(launch.time)
lat.push(parseFloat(launch.lat));
lon.push(parseFloat(launch.lon));
text.push(launch.location);
id.push(launch.id);
BC.push(launch.emissions.BC);
CO.push(launch.emissions.CO);
CO2.push(launch.emissions.CO2);
H2O.push(launch.emissions.H2O);
Al2O3.push(launch.emissions.Al2O3);
Cly.push(launch.emissions.Cly);
NOx.push(launch.emissions.NOx);
rocket.push(launch.rocket);
smc.push(launch.smc);
});
});
// Combine the arrays into the desired structure and update the visualisations.
locations1 = [{date: launch_date, time: launch_time, lat: lat, lon: lon, text: text, id: id, rocket: rocket, smc: smc,
BC: BC, CO: CO, CO2: CO2, H2O, H2O, Al2O3, Al2O3, Cly: Cly, NOx, NOx}];
updateTables();
updateMaps();
updateGraph(startDate,endDate);
updateGlobe();
} catch (error) {
console.error('Error fetching or processing the events data:', error);
}
}
function updateGlobe() {
const MAX_POINTS_PER_LINE = 4; // Less points for a vertical launch
const MAX_STEP_ALT = 0.1; // Control the altitude change
const gData = locations1[0].lat.map((latitude, index) => {
const longitude = locations1[0].lon[index];
let alt = 0;
let path = [[latitude, longitude, alt]];
// You can adjust the number of points and the altitude increment to create the path
for (let i = 0; i < MAX_POINTS_PER_LINE; i++) { // Adjust this for more points in the path
alt += MAX_STEP_ALT; // Increase the altitude
path.push([latitude, longitude, alt]);
}
return {
path: path,
label: locations1[0].id[index] // Store the launch ID here
};
});
const globe = new Globe(document.getElementById('globeplot'))
.globeImageUrl('https://unpkg.com/three-globe/example/img/earth-blue-marble.jpg')
.bumpImageUrl('https://unpkg.com/three-globe/example/img/earth-topology.png')
.pathsData(gData.map(d => d.path))
.pathColor(() => 'rgba(0,255,0,0.6)') // Green for the rocket launch path
.pathDashLength(0.05)
.pathDashGap(0.02)
.pathDashAnimateTime(10000)
.pathStroke(10)
.labelsData(locations1[0].lat.map((lat, i) => ({
lat: lat - 1,
lng: locations1[0].lon[i],
name: `Launch ${locations1[0].id[i]}`, // Label is based on launch ID
})))
.labelLat(d => d.lat)
.labelLng(d => d.lng)
.labelText(d => d.name) // Label the location with the launch ID
.labelResolution(2)
.labelSize(1.5)
.labelDotRadius(0);
setTimeout(() => {
globe
.pathPointAlt(pnt => pnt[2]) // Set altitude accessor
.pathTransitionDuration(5000); // Smooth transition in altitude
}, 1000);
// Function to resize the globe based on its container size
const resizeGlobe = () => {
const container = document.getElementById('globeplot');
// Set the width and height of the globe based on the container's size
globe.width(container.offsetWidth).height(container.offsetHeight);
// Manually reset the canvas element size to match the container size
const canvas = document.querySelector('canvas');
canvas.style.width = `${container.offsetWidth}px`;
canvas.style.height = `${container.offsetHeight}px`;
// Reset the WebGL renderer size to match the container
globe._renderer.setSize(container.offsetWidth, container.offsetHeight);
canvas.style.transform = 'none';
};
// Resize the globe on window resize
window.addEventListener('resize', resizeGlobe);
// Trigger the resize immediately after the globe is initialized
resizeGlobe();
}
function updateTables() {
const table1Body = document.getElementById('launchTableBody');
const table1Foot = document.getElementById('launchTableFoot');
table1Body.innerHTML = '';
table1Foot.innerHTML = '';
let totalBC = 0, totalCO = 0, totalCO2 = 0, totalH2O = 0;
let totalAl2O3 = 0, totalCly = 0, totalNOx = 0;
locations1[0].id.forEach((location, index) => {
const row = document.createElement('tr');
const BC = locations1[0].BC[index];
const CO = locations1[0].CO[index];
const CO2 = locations1[0].CO2[index];
const H2O = locations1[0].H2O[index];
const Al2O3 = locations1[0].Al2O3[index];
const Cly = locations1[0].Cly[index];
const NOx = locations1[0].NOx[index];
totalBC += BC;
totalCO += CO;
totalCO2 += CO2;
totalH2O += H2O;
totalAl2O3 += Al2O3;
totalCly += Cly;
totalNOx += NOx;
row.innerHTML = `
<td>${locations1[0].date[index]}</td>
<td>${location}</td>
<td>${locations1[0].time[index].toFixed(2)}</td>
<td class="wrap-text">${locations1[0].text[index]}</td>
<td class="wrap-text">${locations1[0].rocket[index]}</td>
<td>${locations1[0].smc[index]}</td>
<td>${locations1[0].BC[index].toFixed(1)}</td>
<td>${locations1[0].CO[index].toFixed(1)}</td>
<td>${locations1[0].CO2[index].toFixed(1)}</td>
<td>${locations1[0].H2O[index].toFixed(1)}</td>
<td>${locations1[0].Al2O3[index].toFixed(1)}</td>
<td>${locations1[0].Cly[index].toFixed(1)}</td>
<td>${locations1[0].NOx[index].toFixed(1)}</td>
`;
table1Body.appendChild(row);
});
// Add Totals to Launch Table
const totalRow1 = document.createElement('tr');
totalRow1.innerHTML = `
<td>Total</td>
<td>-</td>
<td>-</td>
<td>-</td>
<td>-</td>
<td>-</td>
<td>${totalBC.toFixed(1)}</td>
<td>${totalCO.toFixed(1)}</td>
<td>${totalCO2.toFixed(1)}</td>
<td>${totalH2O.toFixed(1)}</td>
<td>${totalAl2O3.toFixed(1)}</td>
<td>${totalCly.toFixed(1)}</td>
<td>${totalNOx.toFixed(1)}</td>
`;
table1Foot.appendChild(totalRow1);
}
function updateMaps() {
const latitudes1 = locations1.map(d => d.lat).flat();
const longitudes1 = locations1.map(d => d.lon).flat();
const labels1 = locations1.map(d => d.id).flat();
const mapData1 = latitudes1.length > 0 && longitudes1.length > 0 ? [{
type: 'scattergeo',
lat: latitudes1,
lon: longitudes1,
text: labels1,
mode: 'markers+text',
marker: {
size: 12,
color: 'blue',
symbol: 'x',
},
textfont: {
size: 15, // Font size for the labels
color: 'black', // Color of the text
weight: 'bold',
},
textposition: 'right',
}] : [{
type: 'scattergeo',
mode: 'markers', // Keep the map but without data points
marker: { size: 0 }, // Invisible markers
}];
// Common layout configuration
const commonLayout = {
geo: {
resolution: 100,
projection: { type: 'robinson' },
showland: true,
landcolor: 'rgb(217, 217, 217)',
showocean: true,
oceancolor: 'rgb(204, 233, 255)',
showcountries: true,
countrycolor: 'rgb(50, 50, 50)',
showsubunits: true,
subunitcolor: 'rgb(150, 150, 150)',
showgrid: true,
gridcolor: 'rgb(220, 220, 220)',
gridwidth: 2,
griddash: 'dash', // Dashed gridlines for both axes
lataxis: {
showgrid: true, // Gridline for latitude axis
gridcolor: 'rgb(220, 220, 220)', // Optional: specify grid color
griddash: 'dash', // Dashed gridline style
tickmode: 'array',
ticks: '',
ticklen: 10,
tickcolor: 'rgb(220, 220, 220)',
showticklabels: false,
zeroline: false
},
lonaxis: {
showgrid: true, // Gridline for longitude axis
gridcolor: 'rgb(220, 220, 220)', // Optional: specify grid color
griddash: 'dash', // Dashed gridline style
tickmode: 'array',
ticks: '',
ticklen: 10,
tickcolor: 'rgb(220, 220, 220)',
showticklabels: false,
zeroline: false
}
},
margin: { t: 50, b: 0, l: 0, r: 0 }, // Adjust top margin for title
title: { font: { size: 18 }, xanchor: 'center', yanchor: 'top', y: 0 }, // Adjust title position
};
// Add individual titles
const layout1 = { ...commonLayout, title: { text: 'Launches', font: { size: 18 } }};
// Render the maps with their legends
Plotly.newPlot('map1', mapData1, layout1);
}
function updateGraph(startDate,endDate) {
let totalBC = 0, totalCO = 0, totalH2O = 0;
let totalAl2O3 = 0, totalCO2 = 0, totalCly =0;
let totalNOx = 0;
locations1[0].id.forEach((location, index) => {
const row = document.createElement('tr');
const BC = locations1[0].BC[index];
const CO = locations1[0].CO[index];
const CO2 = locations1[0].CO2[index];
const H2O = locations1[0].H2O[index];
const Al2O3 = locations1[0].Al2O3[index];
const Cly = locations1[0].Cly[index];
const NOx = locations1[0].NOx[index];
totalBC += BC;
totalCO += CO;
totalCO2 += CO2;
totalH2O += H2O;
totalAl2O3 += Al2O3;
totalCly += Cly;
totalNOx += NOx;
});
// Prepare the data for Plotly
const labels = ['BC', 'CO', 'CO<sub>2</sub>', 'H<sub>2</sub>O', 'Al<sub>2</sub>O<sub>3</sub>','Cl<sub>y</sub>', 'NO<sub>x</sub>'];
const data = [totalBC, totalCO, totalCO2, totalH2O, totalAl2O3, totalCly, totalNOx];
const maxYValue = Math.max(...data);
const trace = {
x: labels,
y: data,
type: 'bar', // Bar chart (you can change to line, pie, etc.)
marker: {
color: 'rgba(75, 192, 192, 0.7)'
}
};
const layout = {
title: `Emissions between ${startDate} and ${endDate}`,
xaxis: {
title: 'Species'
},
yaxis: {
title: 'Mass [t]',
range: [0,maxYValue]
},
autosize: true, // Automatically resize the chart
responsive: true // Ensure the chart resizes with the window
};
// Plot the chart inside the 'emissionsChart' div
Plotly.newPlot('bar1', [trace], layout);
}
// Plot a default date when the page opens, then update when the date changes.
document.addEventListener('DOMContentLoaded', () => {
const datePicker1 = document.getElementById('datePicker1'); // Start date picker
const datePicker2 = document.getElementById('datePicker2'); // End date picker
let startDate = '2020-01-01';
let endDate = '2020-01-10';
datePicker1.value = startDate;
datePicker2.value = endDate;
fetchEventsData(startDate,endDate); // Fetch data for the default date
// Event listeners for date pickers
datePicker1.addEventListener('change', (event) => {
startDate= event.target.value;
if (startDate) {
fetchEventsData(startDate,endDate);
}
});
datePicker2.addEventListener('change', (event) => {
endDate = event.target.value;
if (endDate) {
fetchEventsData(startDate,endDate);
}
});
});
</script>
<br>
<h2>Frequently Asked Questions</h2>
<div id="faqs-container"></div>
<script>
const faqData = [
{ question: "What are these chemicals?",
answer: "NO<sub>x</sub> is nitrogen oxides, H<sub>2</sub>O is water vapour, CO<sub>2</sub> is carbon dioxide, BC is black carbon or soot, Al<sub>2</sub>O<sub>3</sub> is aluminium oxide or alumina, and Cl<sub>y</sub> is a family of chlorine compounds. NO<sub>x</sub>, H<sub>2</sub>O, CO<sub>2</sub>, and Cl<sub>y</sub> are released as gases, BC and Al<sub>2</sub>O<sub>3</sub> as particles."
},
{ question: "How is this data calculated?",
answer: "Our calculations are based on the current best scientific knowledge available for emissions from rocket launches. We include the effects of a changing chemical environment with altitude in our launch emissions, and calculate emissions globally up to a maximum altitude of 80 km. Paths shown in the Globe view are fixed at the launch site and do not represent real rocket trajectories."
},
{ question: "Where can I find the original methodology and data?",
answer: "You can find further details in our study published in Nature Scientific Data: Global 3D rocket launch and re-entry air pollutant and carbon dioxide emissions for 2020-2022</strong>. C. R. Barker, E. A. Marais (2024). doi:10.5522/04/26325382. [<a href='https://doi.org/10.5522/04/26325382' target='_blank' rel='noopener noreferrer'>Data</a>]. [<a href='https://www.nature.com/articles/s41597-024-03910-z' target='_blank' rel='noopener noreferrer'>Publication</a>]</p>"
}
];
const faqsContainer = document.getElementById('faqs-container');
faqData.map(function(item) {
let article = document.createElement('article');
article.classList.add('faq-item');
const markup = `
<div class="item-question">
<span class="question-text">${item.question}</span>
<span class="arrows-container">
<span class="expand">▼</span>
<span class="close">▲</span>
</span>
</div>
<div class="item-answer">
<span>${item.answer}</span>
</div>
`;
article.innerHTML = markup;
faqsContainer.append(article);
});
const toggleButtons = document.querySelectorAll('.arrows-container');
toggleButtons.forEach(button => {
button.addEventListener('click', function(e) {
const faqItem = e.currentTarget.parentElement.parentElement;
faqItem.classList.toggle("show-answer");
});
});
</script>
<p>
Developed by <a href="https://profiles.ucl.ac.uk/93616-connor-barker" target="_blank" rel="noopener noreferrer">Connor Barker</a> (UCL) and <a href="https://profiles.ucl.ac.uk/77783-eloise-marais" target="_blank" rel="noopener noreferrer">Eloise Marais</a> (UCL), in collaboration with <a href="https://www.cfa.harvard.edu/people/jonathan-mcdowell" target="_blank" rel="noopener noreferrer">Jonathan McDowell</a> (Harvard-Smithsonian Center for Astrophysics). Interested in using the data or spot any room for improvements? Please reach out to Connor Barker at <a href= "mailto:[email protected]">[email protected]</a>.
</p>
<p>
<strong>Funding Disclaimer:</strong> This project has received funding from the European Research Council (ERC) under the European Union’s Horizon 2020 research and innovation programme (grant agreement No. 851854). <a href="https://cordis.europa.eu/project/id/851854" target="_blank" rel="noopener noreferrer">European Commission project page</a>.
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