{
  "id": 497807,
  "title": "what is landsat time series data?",
  "url": "/competitions/geolifeclef-2024/discussion/497807",
  "author_name": "",
  "post_date": "2024-04-25T19:04:36.585725900Z",
  "votes": 2,
  "comment_count": 1,
  "views": 0,
  "content": "<p>What do the csv files in the PA landsat time series data folder mean?<br>\nWhat is the thing whose change over time is monitored by the satellite?</p>",
  "messages": [
    {
      "id": "2775735",
      "postDate": "04/25/2024 19:04:36",
      "content": "<p>What do the csv files in the PA landsat time series data folder mean?<br>\nWhat is the thing whose change over time is monitored by the satellite?</p>",
      "rawMarkdown": "What do the csv files in the PA landsat time series data folder mean?\nWhat is the thing whose change over time is monitored by the satellite?",
      "votes": null
    },
    {
      "id": "2782887",
      "postDate": "04/29/2024 13:42:34",
      "content": "<p>Hi <a href=\"https://www.kaggle.com/tunahandeniz\" target=\"_blank\">@tunahandeniz</a> ,<br>\nThe satellite time series contain the pixel values of each geo-located observations referenced under \"surveyId\", extracted from the original (very) heavy satellite raster files; spanning from 2000 to 2020, per quarter.<br>\nMore specifically, each data point corresponds to the mean value of Landsat's observations at the given location for three months before the given time; <em>e.g., the value of a time series element under column 2012_4 will represent the mean value for that element from October 2012 to December 2012</em>.<br>\nGoing through the values of a single observation over time is analog to watching the same pixel value on the original rasters over each quarter for a given spectral band.</p>\n<p>For more details, please visit the <a href=\"https://lab.plantnet.org/seafile/d/bdb829337aa44a9489f6/files/?p=%2FSatelliteTimeSeries%2F_!!Readme!!_.txt\" target=\"_blank\">readme file</a> on Seafile.</p>",
      "rawMarkdown": "Hi @tunahandeniz ,\nThe satellite time series contain the pixel values of each geo-located observations referenced under \"surveyId\", extracted from the original (very) heavy satellite raster files; spanning from 2000 to 2020, per quarter.\nMore specifically, each data point corresponds to the mean value of Landsat's observations at the given location for three months before the given time; *e.g., the value of a time series element under column 2012_4 will represent the mean value for that element from October 2012 to December 2012*.\nGoing through the values of a single observation over time is analog to watching the same pixel value on the original rasters over each quarter for a given spectral band.\n\nFor more details, please visit the [readme file](https://lab.plantnet.org/seafile/d/bdb829337aa44a9489f6/files/?p=%2FSatelliteTimeSeries%2F_!!Readme!!_.txt) on Seafile.",
      "votes": null
    }
  ],
  "comments": [
    {
      "id": 2782887,
      "author_name": "tlarcher",
      "author_url": "",
      "post_date": "04/29/2024 13:42:34",
      "content": "<p>Hi <a href=\"https://www.kaggle.com/tunahandeniz\" target=\"_blank\">@tunahandeniz</a> ,<br>\nThe satellite time series contain the pixel values of each geo-located observations referenced under \"surveyId\", extracted from the original (very) heavy satellite raster files; spanning from 2000 to 2020, per quarter.<br>\nMore specifically, each data point corresponds to the mean value of Landsat's observations at the given location for three months before the given time; <em>e.g., the value of a time series element under column 2012_4 will represent the mean value for that element from October 2012 to December 2012</em>.<br>\nGoing through the values of a single observation over time is analog to watching the same pixel value on the original rasters over each quarter for a given spectral band.</p>\n<p>For more details, please visit the <a href=\"https://lab.plantnet.org/seafile/d/bdb829337aa44a9489f6/files/?p=%2FSatelliteTimeSeries%2F_!!Readme!!_.txt\" target=\"_blank\">readme file</a> on Seafile.</p>",
      "votes": null,
      "replies": []
    }
  ],
  "raw_markdown_by_id": {
    "2775735": "What do the csv files in the PA landsat time series data folder mean?\nWhat is the thing whose change over time is monitored by the satellite?",
    "2782887": "Hi @tunahandeniz ,\nThe satellite time series contain the pixel values of each geo-located observations referenced under \"surveyId\", extracted from the original (very) heavy satellite raster files; spanning from 2000 to 2020, per quarter.\nMore specifically, each data point corresponds to the mean value of Landsat's observations at the given location for three months before the given time; *e.g., the value of a time series element under column 2012_4 will represent the mean value for that element from October 2012 to December 2012*.\nGoing through the values of a single observation over time is analog to watching the same pixel value on the original rasters over each quarter for a given spectral band.\n\nFor more details, please visit the [readme file](https://lab.plantnet.org/seafile/d/bdb829337aa44a9489f6/files/?p=%2FSatelliteTimeSeries%2F_!!Readme!!_.txt) on Seafile."
  },
  "source": "meta"
}