Dataset Open Access

Country-wide data products for the ecosystem structure metrics derived from ALS data across the Netherlands (AHN3)

Yifang Shi; W. Daniel Kissling; Zsófia Koma; Christiaan Meijer; Ou Ku; Francesco Nattino; Arie C. Seijmonsbergen; Meiert W. Grootes

This data repository contains country-wide data products for the ecosystem structure metrics generated from Airborne Laser Scanning (ALS) data across the Netherlands (AHN3). Twenty-five ecosystem structure metrics (at 10-meter resolution, GeoTIFF format) were derived from AHN3 dataset (https://downloads.pdok.nl/ahn3-downloadpage/) using Laserfarm workflow (https://zenodo.org/record/5636773). Laserfarm is a free and open-source workflow that enables efficient, scalable, and distributed processing of multi-terabyte LiDAR point clouds from national and regional ALS surveys into LiDAR metrics of ecosystem structure. All code of Laserfarm is hosted and freely available at GitHub (https://github.com/eEcoLiDAR/Laserfarm). The Jupyter Notebooks for the processing of the AHN3 dataset are available at GitHub (https://github.com/eEcoLiDAR/AHN/tree/main/AHN3).

The twenty-five LiDAR metrics are related to three key dimensions of ecosystem structure (ecosystem height, ecosystem cover and ecosystem structural complexity), and one additonal layer of point density is also provided. Each GeoTIFF layer represents one LiDAR metric at 10 m resolution covering the whole Netherlands (file name as "ahn3_10m_featrue_name.tiff").

An overview of all the listed metrics (maps) is also provided in the PDF version (AHN3.pdf).

A detailed description of all the metrics can be found in the README file (README.docx). 

Files (21.8 GB)
Name Size
AHN3.pdf
md5:07337f30b160651554c183ca4fd80cf1
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ahn3_10m_band_ratio_1_normalized_height_2.tif
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ahn3_10m_band_ratio_20_normalized_height.tif
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ahn3_10m_band_ratio_2_normalized_height_3.tif
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ahn3_10m_band_ratio_3_normalized_height.tif
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ahn3_10m_band_ratio_3_normalized_height_4.tif
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ahn3_10m_band_ratio_4_normalized_height_5.tif
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ahn3_10m_band_ratio_5_normalized_height_20.tif
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ahn3_10m_band_ratio_normalized_height_1.tif
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ahn3_10m_band_ratio_normalized_height_5.tif
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ahn3_10m_coeff_var_normalized_height.tif
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ahn3_10m_density_absolute_mean_normalized_height.tif
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ahn3_10m_entropy_normalized_height.tif
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ahn3_10m_kurto_normalized_height.tif
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ahn3_10m_max_normalized_height.tif
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ahn3_10m_mean_normalized_height.tif
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1.1 GB Download
ahn3_10m_median_normalized_height.tif
md5:eaf653a6421a93cddba6690f3ee92f5b
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ahn3_10m_perc_25_normalized_height.tif
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ahn3_10m_perc_50_normalized_height.tif
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ahn3_10m_perc_75_normalized_height.tif
md5:9e24cef002999d4c378e5a57bb2fe581
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ahn3_10m_perc_95_normalized_height.tif
md5:c611e380df8ce65ad7623ed16e92987a
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ahn3_10m_point_density.tif
md5:500569be447e5f0e7ac016b6c4c0ed32
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ahn3_10m_pulse_penetration_ratio.tif
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ahn3_10m_sigma_z.tif
md5:f9fcaf8d622ef9b1f01a21b1693298e6
1.1 GB Download
ahn3_10m_skew_normalized_height.tif
md5:09f0bba96571b67f99fbfa04d326388d
1.1 GB Download
ahn3_10m_std_normalized_height.tif
md5:301f250b7f532e6ecd7a71dd4fb8d98d
1.1 GB Download
ahn3_10m_var_normalized_height.tif
md5:1a63d31418dde509166cdac6c80c937c
1.1 GB Download
ahn3_feat_10m_1m_veg_TILE_000_BAND_perc_95_normalized_height.tif
md5:c611e380df8ce65ad7623ed16e92987a
985.1 MB Download
README.docx
md5:082198277befa7f345fcb5101e6fdce5
19.2 kB Download
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