Application of the Principle of Superposition to Detect Nonlinearity in the Short-Term Atmospheric Response to Concurrent Land-Use Changes Associated with Future Landscapes

2000 ◽  
Vol 72 (1) ◽  
pp. 47-68 ◽  
Author(s):  
N. M�lders
Keyword(s):  
Land Use ◽  
Land Use Changes ◽  
Atmospheric Response ◽  
Short Term ◽  
Principle Of Superposition

scholarly journals The extent of land use impact on water regime 

2011 ◽  
Vol 52 (No. 6) ◽  
pp. 239-244 ◽  
Author(s):  
P. Kovář
Keyword(s):  
Land Use ◽  
Water Balance ◽  
Water Regime ◽  
Land Use Changes ◽  
Subsurface Water ◽  
Rainfall Runoff ◽  
Short Term ◽  
Water Recharge ◽  
The Impact

The paper is focused on the impact of land use changes on water regime. First, an emphasis was given to what extent the main components of the water balance on the experimental catchment Všeminka (region Vsetínské Hills) were influenced. For this reason, the WBCM-5 model was implemented for the period of 10 years in a daily step with a particular reference to simulate the components of direct runoff and of subsurface water recharge. In the selected years of the period 1990–2000, the major changes were made in land use and also the significant fluctuation of rainfall-runoff regimes were observed (e.g. dry year 1992 and flood year 1997). After WBCM-5 parameter calibration it was found that some water balance components can change in relation to substantial land use changes even up to tens of percent in a balance-consideration, i.e. in daily, monthly and yearly or decade values, namely the components of interception and also of direct runoff and of subsurface water recharge. However, a different situation appears when investigating significant short-term rainfall-runoff processes. There were about seven real flood events analysed using the model KINFIL-2 (time step 0.5 hr) during the same period of about 10 years on the same catchment. Furthermore, some land use change positive or negative scenarios were also analysed there. As opposed to long-term water balance analyses, there was never achieved any greater differences in the hydrograph peak or volume than 10%. Summarising, it is always important to distinguish a possible land use change impact in either long-term balance or short-term runoff consideration, otherwise a misunderstanding might be easily made, as can often be found when commenting on the impact on floods in some mass media.

scholarly journals Assessing the Permanence of Land-Use Change Induced by Payments for Environmental Services: Evidence From Nicaragua

2020 ◽  
Vol 13 ◽  
pp. 194008292092267 ◽  
Author(s):  
Stefano Pagiola ◽  
Jordi Honey-Rosés ◽  
Jaume Freire-González
Keyword(s):  
Land Use ◽  
Land Use Changes ◽  
Environmental Services ◽  
Payments For Environmental Services ◽  
Short Term ◽  
Land Owners ◽  
Productive Land ◽  
Rule Out ◽  
Conservation Interventions

Gains achieved by conservation interventions such as payments for environmental services (PES) may be lost upon termination of the program, a problem known as permanence. However, there have been few efforts to evaluate the permanence of conservation results. This article examines the permanence of land-use changes induced by a short-term PES program implemented between 2003 and 2008 in Matiguás-Río Blanco, Nicaragua. Under this program, PES had induced substantial adoption of silvopastoral practices. To assess the long-term permanence of these changes, participants were resurveyed in 2012, 4 years after the last payment was made. We find that the land-use changes that had been induced by PES were broadly sustained in intervening years, with minor differences across specific practices and subgroups of participants. The patterns of change in the period after the PES program were completed to help us understand the reasons for the program’s success and rule out alternative explanations for the program’s success. Our results suggest that, at least in the case of productive land uses such as silvopastoral practices, PES programs can be effective at encouraging land owners to adopt environmentally beneficial practices and that the benefits will persist after payments cease.

Changes in discharge rise and fall rates applied to impact assessment of catchment land use

2009 ◽  
Vol 41 (1) ◽  
pp. 13-26 ◽  
Author(s):  
D. R. Archer ◽  
D. Climent-Soler ◽  
I. P. Holman
Keyword(s):  
Land Use ◽  
River Flow ◽  
Land Use Changes ◽  
Daily Rainfall ◽  
Short Term ◽  
Rates Of Change ◽  
Fall Rates ◽  
Potential Basis ◽  
Management Policies ◽  
Land Use And Management

Despite substantial evidence that land use and management can enhance flood runoff at a local scale, evidence of increased flood risk based on peak discharges is lacking in catchments greater than 10 km2. This analysis is instead based on assessing changes in short-term rates of change in discharge. The influence of land use is demonstrated first on the small Coalburn catchment where changes in rates of rise are closely related to drainage and afforestation. For the larger Axe catchment (288 km2), changes in rates of rise are investigated by comparing annual maximum and peaks over a threshold flows for different periods, by comparing rates of rise associated with given daily rainfall and by adapting the method of flow variability analysis for use of rates of change rather than flow itself. All these methods demonstrate significant changes in river flow dynamics which seem to be in parallel with land use changes even when the influence of climate variability from year to year has been taken into account. Rates of change in discharge appear to respond to land use changes and thus provide a potential basis for application to land use management policies.

scholarly journals Impact of Land Use Changes on the Erosion Processes of a Degraded Rural Landscape: An Analysis Based on High-Resolution DEMs, Historical Images, and Soil Erosion Models

Land ◽  
2021 ◽  
Vol 10 (7) ◽  
pp. 673
Author(s):  
Dario Gioia ◽  
Antonio Minervino Amodio ◽  
Agata Maggio ◽  
Canio Alfieri Sabia
Keyword(s):  
Land Use ◽  
Spatial Distribution ◽  
High Resolution ◽  
Soil Erosion ◽  
Soil Degradation ◽  
Land Use Changes ◽  
Accurate Estimation ◽  
Short Term ◽  
Erosion Processes ◽  
Erosion Models

Soil erosion is one of the major natural risk factors for developing high-value crops and an accurate estimation of spatial distribution and rates of soil degradation can be crucial to prevent crop degradation. In this paper, we use comparisons between high-resolution DEMs and soil erosion models to uncover the short-term landscape evolution of hazelnut crop yields, which are affected by incipient processes of rill development. Maps of rill initiation and evolution were extracted from the analysis of UAV-based multitemporal DEMs and the application of soil erosion models. A comparison between such a short-term analysis and historical orthophotos was carried out. Such a comparison shows how the USPED model predicts, very reliably, where linear erosion occurred. In fact, a reliable overlay between the linear erosive forms predicted by the USPED model and those captured by the UAV images can be observed. Furthermore, land use changes from 1974 to 2020 are characterized by a transition from abandoned areas (1974) to areas with high-value cultivation (2020), which has a strong impact on the spatial distribution of erosion processes and landslide occurrence. Such data represent a key tool for both the investigation of the spatial distribution of hot-spots of soil degradation and the identification of effective mitigation practices of soil conservation.

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