2d:null 2e:["$","title",null,{"children":"Smoke on the Water, Seagrass Meadows | Fotis Zapantis | Observable"}] 33:T5c5,Plot.plot({ // Initialize the plot projection: { type: "mercator", domain: grRegions }, // Set the projection width, marks: [ Plot.geo(sMeadows, { stroke: "lightgreen", fill: "lightblue" }), Plot.density(posidoniaGeometries, { x: (d) => d.coordinates[0], y: (d) => d.coordinates[1], bandwidth: 7, thresholds: 7, fill: "density", fillOpacity: 0.25, mixBlendMode: "multiply" }), //Plot.geo(grMunicipalities, { stroke: "lightgray" }), // Add the municipal boundaries Plot.geo(grMunicipalities, Plot.pointer(Plot.centroid({ fill: "yellow" }))), Plot.geo(grRegions, { stroke: "black" }), Plot.text( grRegions.features, Plot.centroid({ text: (d) => d.properties.ADM2_EN }) ), Plot.dot( posidoniaOceanica.features, Plot.centroid({ r: 2, fill: "brown", fillOpacity: 0.5, stroke: "#fff", strokeOpacity: 0.5 }) ), Plot.voronoiMesh(posidoniaGeometries, { x: (d) => d.coordinates[0], y: (d) => d.coordinates[1] }), Plot.geo(grFires, { stroke: "darkred", fill: "red" }), Plot.tip( grFires.features, Plot.pointer( Plot.centroid({ title: (d) => `${d.properties.admlvl2}, ${d.properties.admlvl3}, ${d.properties.admlvl5}` }) ) ), Plot.text( grMunicipalities.features, Plot.pointer({ text: (d) => d.properties.name }) ) ] })34:T87e,// Copyright 2021, Observable Inc. // Released under the ISC license. // https://observablehq.com/@d3/color-legend function Swatches( color, { columns = null, format, unknown: formatUnknown, swatchSize = 15, swatchWidth = swatchSize, swatchHeight = swatchSize, marginLeft = 0 } = {} ) { const id = `-swatches-${Math.random().toString(16).slice(2)}`; const unknown = formatUnknown == null ? undefined : color.unknown(); const unknowns = unknown == null || unknown === d3.scaleImplicit ? [] : [unknown]; const domain = color.domain().concat(unknowns); if (format === undefined) format = (x) => (x === unknown ? formatUnknown : x); function entity(character) { return `&#${character.charCodeAt(0).toString()};`; } if (columns !== null) return htl.html`

${domain.map((value) => { const label = `${format(value)}`; return htl.html`

${label}

`; })}

`; return htl.html`

${domain.map( (value) => htl.html`${format( value )}` )}

`; }35:[{"id":"139dfd25917cfbcbcd17d27c0027defbdb1e55122a3b25e8bf6d0c3f8801d3098906b51a836b4e95a468c82a038b746140e5aee95a52476c914256ff7ba05672","href":"https://static.observableusercontent.com/files/139dfd25917cfbcbcd17d27c0027defbdb1e55122a3b25e8bf6d0c3f8801d3098906b51a836b4e95a468c82a038b746140e5aee95a52476c914256ff7ba05672","name":"shp_fire.zip","type":"application/zip","lastModified":1742920862943.691,"size":3074422},{"id":"f9fed7c69b6b21d15f82c0559ed59a4e40987e7c85a30978179e6a901f0a3c42cec980cee30ebe35dc941cbc70e60c3d6d2623b4481bf8d9cacf16ed88969e89","href":"https://static.observableusercontent.com/files/f9fed7c69b6b21d15f82c0559ed59a4e40987e7c85a30978179e6a901f0a3c42cec980cee30ebe35dc941cbc70e60c3d6d2623b4481bf8d9cacf16ed88969e89","name":"grc_adm_2025_ab_adm2.zip","type":"application/zip","lastModified":1742939162873.157,"size":394010},{"id":"eda15e557e16e0fe0308e82343e9aa4101b7c88455a630a50ebb301edecf2e4184c3b65cfb93f29fb161cf61a2e60cf6328f7f13d3b1c10c9a6ac4be1aba3bf3","href":"https://static.observableusercontent.com/files/eda15e557e16e0fe0308e82343e9aa4101b7c88455a630a50ebb301edecf2e4184c3b65cfb93f29fb161cf61a2e60cf6328f7f13d3b1c10c9a6ac4be1aba3bf3","name":"oria_dhmwn_kallikraths.geojson","type":"application/geo+json","lastModified":1742939461861.656,"size":21568523},{"id":"191db209fb2ba604314479d110493fae648a471abdf793b70ca0efac4cf5964029c80dd1819cfce94719edb08456536c0a7604a51500df61dd82b10e14186dc7","href":"https://static.observableusercontent.com/files/191db209fb2ba604314479d110493fae648a471abdf793b70ca0efac4cf5964029c80dd1819cfce94719edb08456536c0a7604a51500df61dd82b10e14186dc7","name":"greekseagrassmeadows.zip","type":"application/zip","lastModified":1742945262142.729,"size":44599389},{"id":"b7faba33140c451294fcd3966506e78bc12c6a212ebc91c11d48a39d03ec31f1177e3e576f7ca87b6f0f7cb9fb3d6a3f760c5928a6c19d38c36f1ed7060630cb","href":"https://static.observableusercontent.com/files/b7faba33140c451294fcd3966506e78bc12c6a212ebc91c11d48a39d03ec31f1177e3e576f7ca87b6f0f7cb9fb3d6a3f760c5928a6c19d38c36f1ed7060630cb","name":"P.oceanica_dataset.csv","type":"text/csv","lastModified":1742948138801.589,"size":48456},{"id":"c78c55c3b60bfd0443729629ebfb584ded0286b5e27a9181d5bf737232ecabb987cd171b5665660c2f49c04794d045835d28ac92437894ea616638a39e47f047","href":"https://static.observableusercontent.com/files/c78c55c3b60bfd0443729629ebfb584ded0286b5e27a9181d5bf737232ecabb987cd171b5665660c2f49c04794d045835d28ac92437894ea616638a39e47f047","name":"Nationally Designated Areas.json","type":"application/json","lastModified":1742974828038.42,"size":6765391},{"id":"47b954e0b8e54c7b1f1dd7ef8b1cf2a9dc1a9a42777bb957e083370f946c64c769f58e36923115036c9597f986cccc9cc18b32e704f30af152b161b090e4e430","href":"https://static.observableusercontent.com/files/47b954e0b8e54c7b1f1dd7ef8b1cf2a9dc1a9a42777bb957e083370f946c64c769f58e36923115036c9597f986cccc9cc18b32e704f30af152b161b090e4e430","name":"World Database on Protected Areas.json","type":"application/json","lastModified":1742974851646.485,"size":8507},{"id":"5bd7d4382ab5bf73bef93f49cad8abc869a8e97bdedefb1e974ec540995c2e80d3f5a2b5b8767dda5e64cb0132738ac7f66f3c157e82b87f53e559d45aed2abd","href":"https://static.observableusercontent.com/files/5bd7d4382ab5bf73bef93f49cad8abc869a8e97bdedefb1e974ec540995c2e80d3f5a2b5b8767dda5e64cb0132738ac7f66f3c157e82b87f53e559d45aed2abd","name":"Regional Sea Conventions MPAs.json","type":"application/json","lastModified":1742974850813.169,"size":75277},{"id":"3d395de1bd4521f3660868984fb5a7bee39e4e9a4855a483ab8ad9d3be98b598744b91b37c9e3d1809cddcbbb222a0a0e855ec33ac94017ed01051f96c698bd0","href":"https://static.observableusercontent.com/files/3d395de1bd4521f3660868984fb5a7bee39e4e9a4855a483ab8ad9d3be98b598744b91b37c9e3d1809cddcbbb222a0a0e855ec33ac94017ed01051f96c698bd0","name":"Natura 2000 sites.json","type":"application/json","lastModified":1742975299643.149,"size":41268904},{"id":"2c90156824bbb088ee5c10086ea19bdb74f6c868856af5a4319bbfd2587ca53e66c3e973b6561dde43c40e40705d7f833d8c1c68d9acaeb35eb05cdc9b87176a","href":"https://static.observableusercontent.com/files/2c90156824bbb088ee5c10086ea19bdb74f6c868856af5a4319bbfd2587ca53e66c3e973b6561dde43c40e40705d7f833d8c1c68d9acaeb35eb05cdc9b87176a","name":"CV_ZAPANTIS_FOTIOS_13012025.pdf","type":"application/pdf","lastModified":1753510217431.372,"size":346572},{"id":"2c90156824bbb088ee5c10086ea19bdb74f6c868856af5a4319bbfd2587ca53e66c3e973b6561dde43c40e40705d7f833d8c1c68d9acaeb35eb05cdc9b87176a","href":"https://static.observableusercontent.com/files/2c90156824bbb088ee5c10086ea19bdb74f6c868856af5a4319bbfd2587ca53e66c3e973b6561dde43c40e40705d7f833d8c1c68d9acaeb35eb05cdc9b87176a","name":"CV_ZAPANTIS_FOTIOS_13012025@1.pdf","type":"application/pdf","lastModified":1753510917108.088,"size":346572},{"id":"258b311f122b6fa9ab843b1706861ef85751dd8dc5bca2564fd2700c62fc3f6c742c6e7e498ef7e05494092e7b3c1b9e655f624072b4745ba0d7f4b12a093898","href":"https://static.observableusercontent.com/files/258b311f122b6fa9ab843b1706861ef85751dd8dc5bca2564fd2700c62fc3f6c742c6e7e498ef7e05494092e7b3c1b9e655f624072b4745ba0d7f4b12a093898","name":"ribbon.png","type":"image/png","lastModified":1758618519907.981,"size":54532},{"id":"83daf5338bf6b0b152a45ffa1199cdff31d93609a1ce4fc35355b11e1a0cb4548b757ca61cea3a37c67213670589f828e0954b1e089464e1c45df541c605c575","href":"https://static.observableusercontent.com/files/83daf5338bf6b0b152a45ffa1199cdff31d93609a1ce4fc35355b11e1a0cb4548b757ca61cea3a37c67213670589f828e0954b1e089464e1c45df541c605c575","name":"image.png","type":"image/png","lastModified":1765986714477.319,"size":339095}] 31:{"id":"335c07dd35f4a03c","slug":"sotw-seagrass","title":"Smoke on the Water, Seagrass Meadows","thumbnail":"23ab84be8bc9cf1bab1110aa141c7483be93bc341bae82d8d720a880ea9dbd72","access_level":"public","create_time":"$D2025-03-25T16:29:35.430Z","update_time":"$D2025-12-22T21:01:16.203Z","view_time":null,"first_public_time":"$D2025-03-26T09:24:27.504Z","has_unpublished_edits":null,"fork":false,"stars":1,"starred":false,"owner":{"type":"team","id":"1a8df8d954834dc2","login":"fotisz","name":"Fotis Zapantis","avatar_url":"https://avatars-next.observableusercontent.com/901e545cdb3cac06c4e839534bbc428dfeaf42076ff667a94c51a36ffa05a710","tier":"starter_2024"},"version":377,"publish_version":null,"role":null,"authored":false,"authors":[{"type":"individual","id":"acd5a464e612f2ce","login":"fotisz","name":"Fotis Zapantis","avatar_url":"https://avatars-next.observableusercontent.com/15771ec342f0d7ed8668e8ab4d7b9e0ec698cf2903a9002e4ac0c9b5f5178a99","tier":null}],"members":[{"type":"team","id":"1a8df8d954834dc2","login":"fotisz","name":"Fotis Zapantis","avatar_url":"https://avatars-next.observableusercontent.com/901e545cdb3cac06c4e839534bbc428dfeaf42076ff667a94c51a36ffa05a710","tier":"starter_2024","role":"editor"},{"type":"individual","id":"acd5a464e612f2ce","login":"fotisz","name":"Fotis Zapantis","avatar_url":"https://avatars-next.observableusercontent.com/15771ec342f0d7ed8668e8ab4d7b9e0ec698cf2903a9002e4ac0c9b5f5178a99","tier":null,"role":"editor"}],"comments":[],"custom_thumbnail":true,"trashed":false,"lapsed":null,"subscribed":null,"forks":3,"collection":{"id":"97e45d4269909430","slug":"smoke-on-the-water","title":"Smoke on the Water - OSL 4.0 Hackathon","owner":{"id":"1a8df8d954834dc2","login":"fotisz","name":"Fotis Zapantis"}},"type":"notebook","body":{"title":"Smoke on the Water, Seagrass Meadows","cells":[{"id":0,"value":"# Smoke on the Water, Seagrass Meadows ","pinned":false,"hidden":false,"mode":"md","author":"$undefined","summary":"$undefined","output":"","database":"$undefined"},{"id":196,"value":"# An exploration on how Megafires — _specifically the 2023 Dadia wildfire_ — impact Mediterranean marine ecosystems","pinned":false,"hidden":false,"mode":"md","author":"$undefined","summary":"$undefined","output":"","database":"$undefined"},{"id":263,"value":"[Claude-Generated Artifact on Sea Drone Hackathons](https://claude.ai/public/artifacts/0acee8f3-4b70-42ee-b6fe-a66f7abe78e8?fullscreen=true), as presented at the **_21st National and International HSSS (Hellenic Society for Systemic Studies) 2025 conference_**","pinned":false,"hidden":false,"mode":"md","author":"$undefined","summary":"$undefined","output":"","database":"$undefined"},{"id":33,"value":"By tracking post-fire changes in coastal waters, water quality, we assess the long-term effects of wildfire-driven disturbances on marine life.\n\n**MPAs at Risk:** Safeguarding Marine Biodiversity\n","pinned":false,"hidden":false,"mode":"md","author":"$undefined","summary":"$undefined","output":"","database":"$undefined"},{"id":253,"value":"cv_zapantis_fotios_13012025 = FileAttachment(\"CV_ZAPANTIS_FOTIOS_13012025.pdf\")","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":225,"value":"### Parameters","pinned":false,"hidden":false,"mode":"md","author":"$undefined","summary":"$undefined","output":"","database":"$undefined"},{"id":8,"value":"fire = FileAttachment(\"shp_fire.zip\").arrayBuffer()","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":36,"value":"regions = FileAttachment(\"grc_adm_2025_ab_adm2.zip\").arrayBuffer()","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":76,"value":"seagrass = FileAttachment(\"greekseagrassmeadows.zip\").arrayBuffer()","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":39,"value":"grRegions = shp(regions)","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":47,"value":"grMunicipalities = FileAttachment(\"oria_dhmwn_kallikraths.geojson\").json()","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":14,"value":"grFires = shp(fire)","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":79,"value":"sMeadows = shp(seagrass)","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":284,"value":"The **fires dataset** contains records of wildfire events across different regions and time periods (2019-2025), capturing details such as location, date, size, cause, and intensity of each fire. This type of dataset is often compiled from satellite observations, ground reports, or government agencies, and it helps researchers identify patterns in fire frequency and spread. By analyzing a fires dataset, scientists and policymakers can better understand the impacts of climate, land use, and human activity on wildfires and improve strategies for prevention, monitoring, and response.","pinned":false,"hidden":false,"mode":"md","author":"$undefined","summary":"$undefined","output":"","database":"$undefined"},{"id":291,"value":"viewof start = Inputs.date({ label: \"Start date\", value: \"2022-01-02\" })","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":293,"value":"viewof end = Inputs.date({ label: \"End date\", value: \"2023-01-04\" })","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":300,"value":"parse = d3.utcParse(\"%Y-%m-%d %H:%MZ\")","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":347,"value":"dataParsed = grFiresTable.map((d) => {\n return { ...d, initialdat: new Date(d.initialdat) };\n})","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":279,"value":"grFiresTable = bertin.properties.table(grFires)","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":295,"value":"grFiresTableFiltered = dataParsed.filter(\n (d) => d.initialdat >= start && d.initialdat <= end\n)","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":281,"value":"Inputs.table(grFiresTableFiltered)","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":112,"value":"---","pinned":false,"hidden":false,"mode":"md","author":"$undefined","summary":"$undefined","output":"","database":"$undefined"},{"id":90,"value":"_Panayotidis Panayiotis, Papathanasiou Vasillis, Gerakaris Vasilis, Fakiris Elias, Orfanidis Sotiris, Papatheodorou Georgios, Kosmidou Maria, Georgiou Nikos, Drakopoulou Paraskevi, Loukaidi Vasiliki (2022)._ Seagrass Meadows in The Greek Seas. **SEANOE**. https://doi.org/10.17882/87740","pinned":false,"hidden":false,"mode":"md","author":"$undefined","summary":"$undefined","output":"","database":"$undefined"},{"id":232,"value":"Swatches(\n d3.scaleOrdinal(\n [\"fires (burnt area)\", \"posidonia oceanica\", \"seagrass meadows\"],\n d3.schemePastel1\n )\n)","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":50,"value":"$33","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":217,"value":"---","pinned":false,"hidden":false,"mode":"md","author":"$undefined","summary":"$undefined","output":"","database":"$undefined"},{"id":133,"value":"posidoniaOceanica = geo.coords2geo(pOceanica_dataset, {\n lat: \"Lat\",\n lon: \"Lon\"\n})","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":277,"value":"publicbuildingsTable = bertin.properties.table(grFires)","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":185,"value":"posidoniaGeometries = posidoniaOceanica.features.map((d) => d.geometry)","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":208,"value":"pOceanica_dataset = await FileAttachment(\"P.oceanica_dataset.csv\").csv({typed: \"auto\"})","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"pOceanica_dataset","database":"$undefined"},{"id":131,"value":"geo = require(\"geotoolbox@1.7.0\")","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":6,"value":"shp = require(\"https://unpkg.com/shpjs@latest/dist/shp.js\")","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":272,"value":"bertin = require(\"bertin@latest\")","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":19,"value":"view = require(\"geoverview@1.2\").then((f) => f.view)","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":236,"value":"function swatches({ color, ...options }) {\n return Swatches(color, options);\n}","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":238,"value":"$34","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":270,"value":"---","pinned":false,"hidden":false,"mode":"md","author":"$undefined","summary":"$undefined","output":"","database":"$undefined"},{"id":259,"value":"ribbon = FileAttachment(\"ribbon.png\").image()","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"}],"files":"$W35","stdlib":"1","titling":"auto"}} 32:"$31:body"