Accuracy and congruency of three different digital land-use maps

Bach, Martin; Breuer, Lutz; Frede, Hans‐Georg; Huisman, Johan Alexander; Otte, Annette; Waldhardt, Rainer

doi:10.1016/j.landurbplan.2005.09.004

Cited by 59 publications

(52 citation statements)

References 24 publications

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“…The overall accuracy in the reviewed papers varies between 68 and 98 %. This is in good agreement with the suggested range of 70-90 % by Bach et al (2006) in their review paper. The review also revealed that Landsat products, with 42 case studies out of the total 78, are the most commonly used imagery for land use land cover classification purposes.…”

Section: Accuracy Of Land Use Land Cover Mapssupporting

confidence: 92%

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Spatial evapotranspiration, rainfall and land use data in water accounting – Part 1: Review of the accuracy of the remote sensing data

Karimi

Bastiaanssen

2015

Hydrol. Earth Syst. Sci.

124

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Abstract. The scarcity of water encourages scientists to develop new analytical tools to enhance water resource management. Water accounting and distributed hydrological models are examples of such tools. Water accounting needs accurate input data for adequate descriptions of water distribution and water depletion in river basins. Ground-based observatories are decreasing, and not generally accessible. Remote sensing data is a suitable alternative to measure the required input variables. This paper reviews the reliability of remote sensing algorithms to accurately determine the spatial distribution of actual evapotranspiration, rainfall and land use. For our validation we used only those papers that covered study periods of seasonal to annual cycles because the accumulated water balance is the primary concern. Review papers covering shorter periods only (days, weeks) were not included in our review. Our review shows that by using remote sensing, the absolute values of evapotranspiration can be estimated with an overall accuracy of 95 % (SD 5 %) and rainfall with an overall absolute accuracy of 82 % (SD 15 %). Land use can be identified with an overall accuracy of 85 % (SD 7 %). Hence, more scientific work is needed to improve the spatial mapping of rainfall and land use using multiple space-borne sensors. While not always perfect at all spatial and temporal scales, seasonally accumulated actual evapotranspiration maps can be used with confidence in water accounting and hydrological modeling.

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Section: Accuracy Of Land Use Land Cover Mapssupporting

confidence: 92%

“…The absence of adequate field data sets is an important obstacle for sound, evidence-based water resource management decisions. The consequence of data scarcity is more severe in transboundary river basins where, apart from collection, the accessibility of data is hindered by political issues (Awulachew et al, 2013).…”

Section: Introductionmentioning

confidence: 99%

Spatial evapotranspiration, rainfall and land use data in water accounting – Part 1: Review of the accuracy of the remote sensing data

Karimi

Bastiaanssen

2015

Hydrol. Earth Syst. Sci.

124

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“…The forest data based on remote sensing used to describe habitat is thematically coarse and spatially uncertain especially at the finer scale (Reese et al 2003, Manton et al 2005. While for coarse habitat categories (e.g., managed forest age classes) and at larger spatial scales these data are quite reliable (e.g., Bach et al 2006), they may overestimate the habitat quality and connectivity for more specialized organisms (e.g., species linked to old-growth forest).…”

Section: Discussionmentioning

confidence: 99%

Protecting forest areas for biodiversity in Sweden 1991–2010: the policy implementation process and outcomes on the ground

Angelstam¹,

Andersson²,

Axelsson³

et al. 2011

Silva Fenn.

113

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Swedish forest and environmental policies imply that forests should be managed so that all naturally occurring species are maintained in viable populations. This requires maintenance of functional networks of representative natural forest and cultural woodland habitats. We first review the policy implementation process regarding protected areas in Sweden 1991-2010, how ecological knowledge was used to formulate interim short-term and strategic long-term biodiversity conservation goals, and the development of a hierarchical spatial planning approach. Second, we present data about the amount of formally protected and voluntarily set aside forest stands, and evaluate how much remains in terms of additional forest protection, conservation management and habitat restoration to achieve forest and environmental policy objectives in the long-term. Third, a case study in central Sweden was made to estimate the functionality of old Scots pine, Norway spruce and deciduous forest habitats, as well as cultural woodland, in different forest regions. Finally, we assess operational biodiversity conservation planning processes. We conclude that Swedish policy pronouncements capture the contemporary knowledge about biodiversity and conservation planning well. However, the existing area of protected and set-aside forests is presently too small and with too poor connectivity. To bridge this gap, spatial planning, management and restoration of habitat, as well as collaboration among forest and conservation planners need to be improved.

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“…A first source of error can be introduced by the scale and the accuracy of different land cover maps (Ellis, 2004;Bach et al, 2006;Schmit et al, 2006;Verburg et al, 2006). The high relation between land use and N 2 O emissions highlights the importance of the land cover data when carrying out N 2 O emissions inventories (Plant, 1999;Matthews et al, 2000).…”

Section: G Vilain Et Al: Budget Of N 2 O Emissions At the Watershedmentioning

confidence: 99%

Budget of N<sub>2</sub>O emissions at the watershed scale: role of land cover and topography (the Orgeval basin, France)

Vilain¹,

Garnier²,

Passy³

et al. 2012

Biogeosciences

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Abstract. Agricultural basins are the major source of N 2 O emissions, with arable land accounting for half of the biogenic emissions worldwide. Moreover, N 2 O emission strongly depends on the position of agricultural land in relation with topographical gradients, as footslope soils are often more prone to denitrification. The estimation of land surface area occupied by agricultural soils depends on the available spatial input information and resolution. Surface areas of grassland, forest and arable lands were estimated for the Orgeval sub-basin using two cover representations: the pan . In this study, we have analyzed how different landcover representations influence and introduce errors into the results of regional N 2 O emissions inventories. A further introduction of the topography concept was used to better identify the critical zones for N 2 O emissions, a crucial issue to better adapt the strategies of N 2 O emissions mitigation. Overall, we observed that a refinement of the land-cover database led to a 5 % decrease in the estimation of N 2 O emissions, while the integration of the topography decreased the estimation of N 2 O emissions up to 25 %.

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Accuracy and congruency of three different digital land-use maps

Cited by 59 publications

References 24 publications

Spatial evapotranspiration, rainfall and land use data in water accounting – Part 1: Review of the accuracy of the remote sensing data

Spatial evapotranspiration, rainfall and land use data in water accounting – Part 1: Review of the accuracy of the remote sensing data

Protecting forest areas for biodiversity in Sweden 1991–2010: the policy implementation process and outcomes on the ground

Budget of N<sub>2</sub>O emissions at the watershed scale: role of land cover and topography (the Orgeval basin, France)

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Accuracy and congruency of three different digital land-use maps

Cited by 59 publications

References 24 publications

Spatial evapotranspiration, rainfall and land use data in water accounting – Part 1: Review of the accuracy of the remote sensing data

Spatial evapotranspiration, rainfall and land use data in water accounting – Part 1: Review of the accuracy of the remote sensing data

Protecting forest areas for biodiversity in Sweden 1991–2010: the policy implementation process and outcomes on the ground

Budget of N&lt;sub&gt;2&lt;/sub&gt;O emissions at the watershed scale: role of land cover and topography (the Orgeval basin, France)

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Product

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Budget of N<sub>2</sub>O emissions at the watershed scale: role of land cover and topography (the Orgeval basin, France)