Erosion in Mediterranean mountain landscapes during the last millennium: a quantitative approach based on lake sediment sequences (Iberian Range, Spain)

Barreiro-Lostres, Fernando; Moreno, Ana; González-Sampériz, Penélope; Giralt, Santiago; Nadal‐Romero, Estela; Valero‐Garcés, Blas L.

doi:10.1016/j.catena.2016.05.024

Cited by 25 publications

(27 citation statements)

References 74 publications

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“…The sequences established for the Late Holocene in the previous references coincide with our results because they indicate that the climatic conditions between the 11th and 13th centuries form a part of the Medieval Climate Anomaly (MCA), characterised by high temperatures and low precipitation (Dominguez-Castro et al, 2014), whereas the 14th-18th centuries, until the start of the 19th century, appear to be integrated within the Little Ice Age (LIA), especially concentrated within certain groups of years. Different research projects (Corella et al, 2012;García-Ruiz et al, 2014;Barreiro-Lostres et al, 2017), based on the study of sediments in lakes in different parts of the Iberian Peninsula and on tree ring analysis, establish the relationship between high flood intensity and wet years, obtaining a time pattern that is compatible with the data presented herein. Morellón et al (2012) detect a transitional phase between the MCA and the LIA between the 14th and 16th centuries with fluctuating wet conditions and relatively low temperatures, particularly wet conditions between 1460 and 1550, followed by the most intense phases of the LIA, corresponding, according to Steinhilber et al (2009), to the minimums of solar radiation of Maunder 1645-1715and Dalton (1790Dalton ( -1830.…”

Section: Interpretation Of the Temporal Sequence Of Floodssupporting

confidence: 64%

Little Ice Age, Palaeofloods and human adaptation on the Jarama River (Tajo Basin, Central Spain) from documentary proxy data

Bullón

2020

CIG

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This research assesses the close relationship between river history and human adaptation by combining the study of the migration of channels on the floodplain, the temporal distribution of floods, and human adaptation to the fluvial environment during the Little Ice Age (LIA) period on the Jarama River section situated between the mouths of two tributaries, the Henares and Manzanares. The methodology consists of the employment of abundant documentary records from the 14th to 19th centuries related to the response of society to hydrological dynamics within changing river patterns. The management and delimitation of land ownership, along with the readjustments and modifications therein, allow the inference of the changes that have taken place in the river throughout history. These changes include meander cut-offs, the abandonment of a channel fragment and aggradation in the alluvial plain, all of them located in different areas within the study area and with different historical timeframes. A relationship exists between changes in fluvial dynamics and the times of the greater abundance of floods. An initial change in the alluvial plain occurred in the Middle Ages as a result of the abandonment of the medieval channel and the creation of a new channel. The second change occurred between the 15th and 17th centuries and affected the properties on the right-hand bank of the river. Since the 18th century, the abandonment of and reduction in meanders and the aggradation at the Manzanares-Jarama mouth have created a new alluvial plain of the river. The different phases of the LIA defined herein coincide with much of the palynological and dendrochronological research conducted in other areas of the southwestern fringe of Europe. From the historical point of view, critical changes appear to be associated with some LIA phases. Furthermore, the progressive transformation of communal lands into public or private property could be promoted by the intense floods recorded since the 15th century. The Maunder and Dalton Minimums occurred together with an increase in the area assigned for agriculture on the alluvial plain; this land use type continued to grow during the 19th and 20th centuries.

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Section: Interpretation Of the Temporal Sequence Of Floodssupporting

confidence: 64%

Little Ice Age, Palaeofloods and human adaptation on the Jarama River (Tajo Basin, Central Spain) from documentary proxy data

Bullón

2020

CIG

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“…As with drainage area, mean watershed slope is often linked to sediment transport but with little quantitative evidence (Barreiro‐Lostres et al, ; Montgomery & Brandon, ; Swanson et al, ). Here slope was only one of many physiographic variables that were moderately correlated with yields.…”

Section: Discussionmentioning

confidence: 99%

Relative Influence of Landscape Variables and Discharge on Suspended Sediment Yields in Temperate Mountain Catchments

Bywater‐Reyes

Bladon

Segura

2018

Water Resources Research

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Suspended sediment is an important regulator of stream habitat quality but notoriously difficult to predict and regulate. This difficulty arises because of high natural variability in suspended sediment yield in space and time. Here we quantified associations between suspended sediment yields and discharge, watershed setting (i.e., physiography and lithology), and disturbance history for 10 temperate mountain watersheds (8.5–6,242 ha) in the U.S. Pacific Northwest (H.J. Andrews Long‐Term Ecological Research, LTER) over an ~60‐year period. Annual suspended sediment yields varied almost 4 orders of magnitude across space and time. A linear mixed effects model indicated that much of the variation in yields could be explained by the random effect of site (conditional R2 = 0.74) with additional variation explained by the fixed effects (marginal R2 = 0.67) of cumulative annual discharge (p < 0.001) and the variability (standard deviation) of watershed slope (p < 0.001). Two annual sediment yield data points were model outliers, that each occurred within a decade after forest management activities and a large‐magnitude storm event at sites with high variability of catchment slope. Other sites had low sediment yields for a range of conditions, including management or flood disturbance. Taken together, our study shows that watersheds with high slope variability have higher suspended sediment yields and may be more vulnerable to increases in sediment yields following disturbances.

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“…[Correction added on 16 August 2019 after first online publication: The unit in the preceding sentence has been corrected in this current version.] Globally, over the next 25-30 years, there will be a need for 200 million ha of croplands to meet the requirement of the increasing population (Barreiro-Lostres, Moreno, González-Sampériz, Giralt, & Nadal-Romero, 2017). It is thus very crucial to develop and adapt sustainable soil management practices that reduce and protect the soil against further degradation (Pandey, Himanshu, Mishra, & Singh, 2016) and improve crop productivity, especially on smallholder farms in an era of climate change (Ghosh, Mohanty, Bandyopadhyay, Painuli, & Misra, 2006;Aminifar, Ramroudi, Galavi, & Mohsenabadi, 2016;Traore et al, 2017).…”

Section: Introductionmentioning

confidence: 99%

Soil loss and run‐off characteristics under different soil amendments and cropping systems in the semi‐deciduous forest zone of Ghana

Bashagaluke

Logah

Opoku

et al. 2019

Soil Use and Management

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Soil erosion is a major constraint to crop production on smallholder arable lands in Sub‐Saharan Africa (SSA). Although different agronomic and mechanical measures have been proposed to minimize soil loss in the region and elsewhere, soil management practices involving biochar‐inorganic inputs interactions under common cropping systems within the framework of climate‐smart agriculture, have been little studied. This study aimed to assess the effect of different soil and crop management practices on soil loss characteristics under selected cropping systems, typical of the sub‐region. A two‐factor field experiment was conducted on run‐off plots under different soil amendments over three consecutive cropping seasons in the semi‐deciduous forest zone of Ghana. The treatments, consisting of three soil amendments (inorganic fertilizer, biochar, inorganic fertilizer + biochar and control) and four cropping systems (maize, soyabean, cowpea, maize intercropped with soyabean) constituted the sub‐plot and main plot factors, respectively. A bare plot was included as a soil erosion check. Seasonal soil loss was greater on the bare plots, which ranged from 9.75–14.5 Mg ha−1. For individual crops grown alone, soil loss was 31%–40% less under cowpea than under maize. The soil management options, in addition to their direct role in plant nutrition, contributed to significant (p < 0.05) reductions in soil loss. The least soil loss (1.23–2.66 Mg ha−1) was observed under NPK fertilizer + biochar treatment (NPK + BC) over the three consecutive cropping seasons. Biochar in combination with NPK fertilizer improved soil moisture content under cowpea crops and produced considerably smaller bulk density values than most other treatments. The NPK + BC consistently outperformed the separate mineral fertilizer and biochar treatments in biomass yield under all cropping systems. Biochar associated with inorganic fertilizers gave economic returns with value–cost ratio (VCR) > 2 under soyabean cropping system but had VCR < 2 under all other cropping systems. The study showed that biochar/NPK interactions could be exploited in minimizing soil loss from arable lands in SSA.

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Erosion in Mediterranean mountain landscapes during the last millennium: a quantitative approach based on lake sediment sequences (Iberian Range, Spain)

Cited by 25 publications

References 74 publications

Little Ice Age, Palaeofloods and human adaptation on the Jarama River (Tajo Basin, Central Spain) from documentary proxy data

Little Ice Age, Palaeofloods and human adaptation on the Jarama River (Tajo Basin, Central Spain) from documentary proxy data

Relative Influence of Landscape Variables and Discharge on Suspended Sediment Yields in Temperate Mountain Catchments

Soil loss and run‐off characteristics under different soil amendments and cropping systems in the semi‐deciduous forest zone of Ghana

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