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Original Articles

Natural flood management, land use and climate change trade-offs: the case of Tarland catchment, Scotland

, ORCID Icon &
Pages 1931-1948 | Received 05 Dec 2016, Accepted 20 Jun 2017, Published online: 22 Aug 2017

Figures & data

Figure 1. Tarland catchment: (a) location; (b) topography; and (c) land use.

Figure 1. Tarland catchment: (a) location; (b) topography; and (c) land use.

Table 1. Modified soil saturated hydraulic conductivity (Ks) based on land-use type.

Table 2. Land-use change scenarios (% area of each land use).

Figure 2. Land-use scenario descriptions (after Brown and Castellazzi Citation2014).

Figure 2. Land-use scenario descriptions (after Brown and Castellazzi Citation2014).

Table 3. Model calibration data.

Table 4. Changes for 10- and 100-year return period events for Tarland Burn catchment (% differences from baseline in parentheses): (a) precipitation (mm); (b) peak flow (m3 s−1) at Coull.

Table 5. Peak flows (m3 s−1) for afforestation options and UKCP09 WG climate change scenarios (mean ensemble value medium emissions). con: coniferous; dec: deciduous.

Figure 3. Illustrative land-use scenarios for Tarland catchment in 2050 (after Brown and Castellazzi Citation2014).

Figure 3. Illustrative land-use scenarios for Tarland catchment in 2050 (after Brown and Castellazzi Citation2014).

Figure 4. Change (%) in Q5 and Q95 at Coull for different catchment afforestation extents. Legend: con: coniferous; dec: deciduous; aff: afforestation.

Figure 4. Change (%) in Q5 and Q95 at Coull for different catchment afforestation extents. Legend: con: coniferous; dec: deciduous; aff: afforestation.

Figure 5. Changes in flow duration curves at Coull for different catchment afforestation extent.

Figure 5. Changes in flow duration curves at Coull for different catchment afforestation extent.

Table 6. Change in 2050s peak flows at Coull for land-use change scenarios and climate change projections (UKCP09 medium emissions) for the 2050s compared to no land-use change. WM: world markets; NE: national enterprise; GS: global sustainability; LS: local stewardship.

Supplemental material

Supplemental Material

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