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| 1 | Area and shape distortions in open-source discrete global grid systems显示文摘A Discrete Global Grid System(DGGS)is a type of spatial reference system that tessellates the globe into many individual,evenly spaced,and well-aligned cells to encode location and,thus,can serve as a basis for data cube construction.This facilitates integration and aggregation of multi-resolution data from various sources to rapidly calculate spatial statistics.We calculated normalized area and compactness for cell geometries from 5 open-source DGGS implementations-Uber H3,Google S2,RiskAware OpenEAGGR,rHEALPix by Landcare Research New Zealand,and DGGRID by Southern Oregon University-to evaluate their suitability for a global-level statistical data cube.We conclude that the rHEALPix and OpenEAGGR and DGGRID ISEA-based DGGS definitions are most suitable for global statistics because they have the strongest guarantee of equal area preservation-where each cell covers almost exactly the same area on the globe.Uber H3 has the smallest shape distortions,but Uber H3 and Google S2 have the largest variations in cell area.However,they provide more mature software library functionalities.DGGRID provides excellent functionality to construct grids with desired geometric properties but as the only implementation does not provide functions for traversal and navigation within a grid after its construction. | Alexander Kmoch Ivan Vasilyev Holger Virro Evelyn Uuemaa | 2022 | Big Earth Data2022，6，3： | 3 |
| 2 | Landscape metrics as indicators of river water quality at catchment scale 显示文摘 | Uuemaa E Roosaare J Mander U | 2007 | Nordic Hydrology2007，38，2： | 1 |
| 3 | Scale Dependence of landscape metrics and their indicatory value for nutrient and organic matter losses from catchments显示文摘 | Uuemaa E Roosaare J Mander U | 2005 | Ecological Inicators2005，5，： | 1 |
| 4 | Scale dependence of landscape metrics and their indicatory value for nutrient and organic matter losses from catchments 显示文摘 | Uuemaa E Rosaare J Mander U | 2005 | EcoLogical Indicators2005，，5： | 1 |
| 5 | Landscape Metrics and Indices : An overview of their use in landscape research, living rev显示文摘 | Uuemaa E Antrop M Roosaare J | 2009 | Landscape Research2009，3，1： | 1 |
| 6 | Relationships between landscape pattern,wetland characteristics,and water quality in agricultural catchments显示文摘 | UUEMAA E COM(I)N F A MANDER (U) | | 0，，： | 1 |
| 7 | Scale dependence of landscape metrics and their indicatory value for nutrient and organic matter losses from catchments显示文摘 | Uuemaa E Roosaare J Mander ü | 2005 | Ecological Indicators2005，5，4： | 1 |
| 8 | Landscape metrics as indicators of river water quality at catchment scale显示文摘 | UUEMAA E ROOSAARE J MANDER U | | 0，，2： | 1 |
| 9 | Scale dependence of landscape metrics and their indicatory value for nutrient and organic matter losses from catchments显示文摘 | E Uuemaa J Roosaare U Mander | 2005 | Ecological Indicators2005，，5： | 1 |
| 10 | Scale Dependence of Landscape Metrics and Their Indicatory Value for Nutrient and Organic Matter Losses from Catchments显示文摘 | Uuemaa E Roosaare J Mander U | 2005 | Ecological Indicators2005，，5： | 1 |
| 11 | Trends in the use of landscape spatial metrics as landscape indicators: A review显示文摘 | Uuemaa E Mander 0 MaJja R | 2013 | Ecological 11Micatr)rs2013，28，： | 1 |
| 12 | Scale dependence of landscape metrics and their indicatory value for nutrient and organic matter losses from catchments显示文摘 | Uuemaa E Roosaare J Mander U | 2005 | Ecological Indicators2005，5，4： | 1 |
| 13 | Trends in the use of landscapespatial metrics as landscape indicators : a review 显示文摘 | Uuemaa E Mander 0 Marja R | 2013 | EcologicalIndicators2013，28，： | 1 |
| 14 | Landscape metrics asindicators of river water quality at catchment scale显示文摘 | Uuemaa E Roosaare J Manderü | 2007 | NordicHydrology2007，38，2： | 1 |
| 15 | Scale Dependence of Landscape Metrics and Their Indicatory Value for Nutrient and Organic Matter Losses from Catchments 显示文摘 | Uuemaa E Roosaare J Mander U | 2005 | Ecological Indicators2005，，5： | 1 |
| 16 | Landscape metrics as indicators of river water quality at catchment scale 显示文摘 | Uuemaa E Roosaare J Mander U | 2007 | Nordic Hydrology2007，38，2： | 1 |
| 17 | Landscape metrics as indicators of river water quality at catchment scale显示文摘 | Uuemaa E Roosaare J Mander U | 2007 | Nordic Hydrology2007，38，2： | 1 |
| 18 | Land- scape metrics and indices: an overview of their use in landscape research显示文摘 | Uuemaa E Antrop M Roosaare J Marja R | 2009 | Living Reviews in Landscape Re- search2009，3，1： | 1 |
| 19 | Landscape Metrics and Indices:An Overview of Their Use in Landscape Research显示文摘 | Uuemaa Evelin Antrop Marc Roosaare Juri Marja Riho Mander Ulo | 2009 | Living Reviews in Landscape Research2009，3，1： | 1 |
| 20 | Scale dependence of landscape metrics and their indicatory value for nutrient and organic matter losses from catchments显示文摘 | Uuemaa E Roosaare J Mander ii | 2005 | Ecological Indicators2005，5，4： | 1 |
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