José Miguel Sánchez Pérez

French National Centre for Scientific Research | CNRS · Institut écologie et environnement (INEE)

A methodology has been developed to quantify the economic value of the provisioning ecosystem services in the South-West of Europe (SUDOE) at any scale. This article describes the methodology that allows the quantification of nutritional and non-nutritional materials and their economic valuation related to agriculture activities at the regional sca...

Given the need for water use to be a crucial consideration in sustainable development, an adequate water allocation system across economic sectors is essential, especially in the face of increasing seasonal and perennial water scarcity. In an attempt to facilitate a socially and economically efficient adaptation to the climate emergency, we propose...

Les systèmes aquatiques tels que les mares, les zones humides, les bassins d’orage, les retenues collinaires, ci-après nommées « retenues d’eau », sont des systèmes de rétention d'eau omniprésents dans les bassins versants agricoles. Ces retenues opèrent comme des réacteurs biogéochimiques naturels, contrôlant la dissipation et le transfert des con...

Fluvial organic carbon (OC) transfer is an essential resource for downstream ecosystems. Multiple factors affect its transfer process, e.g., climate or anthropogenic activities. Quantifying OC fluxes with fine spatiotemporal resolution is challenging in anthropised catchments. This study aims to quantify daily OC dynamics and to assess the impacts...

Introducción: Los factores que permiten el manejo de sistemas fluviales en riesgo de contaminación metálica, deben estar identificados con claridad para lograr disminuir el grado de contaminación y la mitigación de sus efectos. El trabajo tuvo como objetivo desarrollar e implementar un procedimiento que permita el manejo sostenible de sistemas fluv...

Citation: Barresi Armoa, O.L.; Sauvage, S.; Houska, T.; Bieger, K.; Schürz, C.; Sánchez Pérez, J.M. Representation of Hydrological Components under a Changing Climate-A Case Study of the Uruguay River Basin Using the New Version of the Soil and Water Assessment Tool Model (SWAT+). Abstract: SWAT+ is a revised version of the SWAT model that has the...

Shallow groundwater nitrate nitrogen (NO3--N) concentrations in agricultural areas usually show high spatial and intra-annual variability. It is hard to predict such concentrations due to the complexity of influencing factors (e.g., different forms of N in soil, vadose zone characteristics, and groundwater physiochemical conditions). Here, a large...

Climate change is a primary concern in the coming decades and affects temporal and spatial patterns in temperature and hydrology worldwide. These variations will undoubtedly affect the global carbon balance. The export of riverine dissolved organic carbon (DOC) to oceans is crucial in the carbon balance and oceanic food web maintenance. Recent mode...

Introduction: The factors that allow the management of river systems at metallic contamination risk, must be clearly identified in order to reduce the degree of contamination and mitigate its effects. The objective of the work was to develop and implement a procedure for the sustainable management of river systems at risk of metal contamination, wh...

Pesticides are a non-point source of pollution affecting the quality of drinking water supplies and aquatic environments. Many facilities are set up to reduce the transfer of pesticides from agricultural parcels into the environment, thereby preventing their input into water bodies. Artificial ponds collecting runoff and erosion fluxes represent a...

The Wetland Soils Denitrification Model (WSDM) developed here for natural wetlands, is a physical based model that proposes: (i) the inclusion of soil moisture and temperature from satellite-based Earth Observations at diurnal temporal resolution and (ii) the distinction of soils under different wetland typologies (i.e., flooded forests, freshwater...

The Madeira is one of the major tributaries of the Amazon River and is characterized by a large alluvial floodplain throughout the stream continuum. This study aims to better assess the hydrological functioning of the Madeira Basin over its alluvial floodplains at both local and global scales. We used the semi-distributed hydrological Soil and Wate...

Study region Congo River Basin Study Focus Precipitation is the major driving force of hydrological processes and is one of the main input datasets for hydrological models. The Congo River Basin is one of the least studied major river basins in the world and suffers from the scarcity and difficulty in accessing rain gauge data, necessitating the u...

Mountainous areas are an important source of water resources, especially in the Mediterranean. The PIRAGUA project aims at assessing the water resources of the Pyrenees in the past and in the future. To this aim, different modelling approaches were used in order to assess the water resources of the Pyrenees and their future evolution. In this study...

The Pyrenees range is a transboundary mountain region shared by Spain, France and Andorra. As many other mountain regions, the Pyrenees host the upper catchments and recharge zones of the region's main river basins and aquifers. Therefore, it is the main source of water resources that are used in a much larger area that includes important urban con...

The Mekong River in Asia is one of the world's longest rivers. Although it has some of the highest levels of biodiversity and productivity in Asia, the water quality in the basin has recently deteriorated as a consequence of land use changes, dam reservoir construction, population growth, and climate change. For the first time, this study estimates...

The increasing pressure on wetland resources continues to threaten the role wetlands play in maintaining the ecological balance of watersheds. The Cuvette Centrale of the Congo is the greatest intertropical peatland in the world. To fully understand its role in water resources and ecological services linked to the quality of water and life in the b...

La pression croissante des activits humaines sur les ressources des zones humides continue de menacer le rôle que jouent les zones humides dans le maintien de l’équilibre écologique des bassins versants. La Cuvette Centrale du Congo est la plus grande tourbière intertropicale du monde. Pour comprendre pleinement son rôle sur les ressources en eau e...

Rivers of Europe, Second Edition, presents the latest update on the only primary source of complete and comparative baseline data on the biological and hydrological characteristics of more than 180 of the highest profile rivers in Europe. With even more full-color photographs and maps, the book includes conservation information on current patterns...

This chapter discusses the historical perspective, geography, climate, hydrology, biodiversity of the continental Atlantic rivers, the Meuse, Loire and Adour-Garonne. Continental Atlantic rivers drain the western front of Europe which is delineated by the Atlantic Ocean in the west, the English Channel and Hercynian massifs of the Ardennes in the n...

This study simulates carbon dioxide (CO 2 ) sequestration in 300 major world river basins (about 70% of global surface area) through carbonates dissolution and silicate hydrolysis. For each river basin, the daily timescale impacts under the RCP 2.6 and RCP 8.5 climate scenarios were assessed relative to a historical baseline (1969–1999) using a cas...

Estimation at large scale of the water quality regulation services is still lacking. It is essential to develop methodological approaches to quantify nutrient-related functions’ distribution. The present study aims to quantify nitrate-related ecological functions through nitrate net balance (NNB), nitrate removal (NR), and nitrate production (NP)....

Ce chapitre a été produit par 17 chercheurs de différentes disciplines (hydrologie, hydrogéologie, géographie, science politique, sciences de gestion…), appartenant à une communauté de recherche régionale sur l’eau bien structurée et identifiée aux niveaux national et international. Les contributions réunies ici présentent un état synthétique et ac...

This work is a validation of the second step of a heavy metal monitoring procedure in Cuba fluvial ecosystems. Concentrations of seven heavy metals were measured by ICP-MS in water samples collected from the Pedroso reservoir (Mayabeque province, Cuba) and its main tributaries, as well as in edible muscle of three locally consumed fish species: Ore...

It is common to find effects on agricultural production derived from water quality, so the evaluation of its aptitude for irrigation is decisive to ensure food safety. The present work aimed to evaluate the chemical-physical and microbiological quality of the surface water of Mampostón sub-basin, for its use in agricultural irrigation. The paramete...

Pollution of rivers by nitrate is a major issue. Many land use units are considered as net nitrate producers when the input dominates the uptake (e.g. agricultural areas), or in the opposite, net consumers (e.g. wetlands), but the role of their spatial organization and temporal dynamics together across the watershed is unclear. Here, we used a Nitr...

To forecast species responses to environmental changes, it is crucial to understand drivers of species distribution acting at multiple spatial and temporal scales. While hydrology is acknowledged as a key driver for freshwater species, most studies have been limited to perennial river flow regimes when exploring species distribution in rivers. We d...

Inland water storage is a key reservoir in the continental water cycle but the scientific knowledge about its spatiotemporal dynamic is still poor, especially over tropical areas. By coupling the Soil and Water Assessment Tool (SWAT) model and the Soil WAter Fraction (SWAF) data to increase the inundation delineation precision, inland water storage...

Here, we simulate carbon dioxide (CO2) sequestration in 300 major world river basins (about 70% of global surface area) through carbonates dissolution and silicate hydrolysis. For each river basin, the daily timescale impacts under both the RCP 2.6 and RCP 8.5 climate scenarios were assessed relative to a historic baseline (1969-1999) using a casca...

In this study, the SWAT hydrological model was used to estimate the sediment yields in the principal drainage basins of the Congo River Basin. The model was run for the 2000–2012 period and calibrated using measured values obtained at the basins principal gauging station that controls 98% of the basin area. Sediment yield rates of 4.01, 5.91, 7.88...

In the Mediterranean, mountainous areas are an important source of water resources. Not only do mountains generate most of runoff, but they also store water in soils, as groundwater in aquifers and as snowpack which melts in spring where it can be diverted and used for agriculture. However, climate change and local anthropic processes are changing...

Ponds in agricultural areas are ubiquitous water retention systems acting as reactive biogeochemical hotspots controlling pesticide dissipation and transfer at the catchment scale. Several issues need to be addressed in order to understand, follow-up and predict the role of ponds in limiting pesticide transfer at the catchment scale. In this review...

Abstract : Abstract Here, we simulate carbon dioxide (CO2) sequestration in 300 major world river basins (about 70% of global surface area) through carbonates dissolution and silicate hydrolysis. For each river basin, the daily timescale impacts under both the RCP 2.6 and RCP 8.5 climate scenarios were assessed relative to a historic baseline (1969...

Climate change is expected to increase in the future in the Mediterranean region, including Algeria. The Tafna basin, vulnerable to drought, is one of the most important catchments ensuring water self-sufficiency in northwestern Algeria. The objective of this study is to estimate the evolution of hydrological components of the Tafna basin, througho...

In this study, the SWAT (Soil Water Assessment Tool) hydrological model is implemented to determine the effect of climate change on various hydrological components in two basins located in the foothills of the Andes: the Quino and Muco river basins. The water cycle is analyzed by comparing the model results to climatic data observed in the past (19...

In this study, the SWAT (Soil Water Assessment Tool) hydrological model is implemented to determine the effect of climate change on various hydrological components in two basins located in the foothills of the Andes: the Quino and Muco river basins. The water cycle is analyzed by comparing the model results to climatic data observed in the past (19...

The Mekong River in Southeast Asia, one of the world’s great rivers, has been facing disruption of its sediment balance and resultant impacts on nutrient fluxes, aquatic ecology, floodplains and the delta. Using monitoring data from 1993 to 2018, we estimated the temporal variability of sediment loads in Tonle Sap and Lower Mekong Rivers in Cambodi...

In small catchments, the time interval most commonly used for simulation, daily or monthly, may not be sufficient to accurately capture the time distribution of hydrological processes. In this paper, the Soil and Water Assessment Tool (SWAT) was used to perform an hourly long-term streamflow and sediment load simulation in the small (4.8 km²) and f...

The increase in water salinisation in catchments has led to increased concern in assessing major ion loadings in freshwater environments. In this study, we couple a globally fitted model on chemical weathering to the Soil and Water Assessment Tool (SWAT) for the estimation of daily geochemical loadings at the catchment scale, “SWATLitho”. The enhan...

It is common to find effects on agricultural production derived from water quality, so the evaluation of its aptitude for irrigation is decisive to ensure food safety. The present work aimed to evaluate the chemical-physical and microbiological quality of the surface water of Mampostón sub-basin, for its use in agricultural irrigation. The paramete...

The Mekong River Basin (MRB) in Southeast Asia is among the world's ten largest rivers, both in terms of its discharge and sediment load. The spatial and temporal resolution to accurately determine the sediment load/yield from tributaries and sub-basin that enters the Mekong mainstream still lacks from the large-scale model. In this study, the SWAT...

The Red River is an Asian river system strongly affected by global changes. This paper aims to characterize and quantify the suspended sediment flux (SF) over the basin under the influences of short-term climate variability and dam constructions. SF was evaluated at the outlets of main tributaries and along the main course of the Red River from 200...

Nitrogen pollution is one of the main problems affecting the environment and human activity. This is especially true in semiarid regions where the quantity-quality relationship is a key constraining factor. In this paper, we propose and apply a method to quantify the economic value of the environmental service a river provides as a nitrate purifier...

Research to understand the nitrogen cycle has been thriving. The production of reactive nitrogen by humans exceeds the removal capacity through denitrification of any natural ecosystem. The surplus of reactive nitrogen is also a significant pollutant that can shift biological diversity and distribution, promotes eutrophication in aquatic ecosystems...

In this paper, we quantify the CO2 and N2O emissions from denitrification over the Amazonian wetlands. The study concerns the entire Amazonian wetland ecosystem with a specific focus on three floodplain (FP) locations: the Branco FP, the Madeira FP and the FP alongside the Amazon River. We adapted a simple denitrification model to the case of tropi...

The export of riverine dissolved organic carbon (DOC) to the oceans is determinant in carbon exchanges of the estuaries and oceanic food webs. Past research returned a global DOC export around 160–450 TgC.yr⁻¹ by using complex process-based models or yearly average estimates that could have been misjudged. In this study, we try to understand the co...

An elevated nitrogen concentration in water is one of the main problems affecting water quality in Mediterranean rivers. The objectives of this study were (1) to evaluate the contribution of the Tafna catchment to the nitrate load entering the Mediterranean Sea, (2) to quantify the impact of agriculture on the nitrate concentration in water bodies,...

Floodplains play a crucial role in water quality regulation via denitrification. This biogeochemical process reduces nitrate (NO3−), with aquifer saturation, organic carbon (OC) and N availability as the main drivers. To accurately describe the denitrification in the floodplain, it is necessary to better understand nitrate fluxes that reach these n...

This study presents a process-based-empirical model for the assessment of ionic fluxes derived from chemical weathering of rocks (ICWR) at a global scale. The equations are designed and the parameters fitted using riverine transport of dissolved major ions Ca²⁺, Mg²⁺, K⁺, Na⁺, Cl⁻, SO4²⁻, and alkalinity at a global scale by combining point sampling...

Important ecological functions indicators, such as nitrate net balance (NNB), including nitrate removal (NR) and nitrate production (NP), seem to be impacted by human stressors and climate change, particularly during low flow periods associated with high nitrate pollution. NR is induced by in-stream processes such as nitrate uptake, denitrification...

The assessment of dissolved loadings and the sources of these elements in urban catchments' rivers is usually measured by punctual sampling or through high frequency sensors. Nevertheless, the combination of both methodologies has been less common even though the information they give is complementary. Major ion (Ca²⁺, Mg²⁺, Na⁺, K⁺, Cl⁻, SO4²⁻, an...

In order to study the relationship between the micro-granulometric profile and chemical conditions of Mampostón sediments, samples fromñ 16 stations of Mampostón sub-watershed (Mayabeque, Cuba) were collected in two seasons between 2012 and 2014. Micro-granulometry (<63 μm) was established by X-ray diffraction; Organic Mater content by ignition and...

The mineral reserves of mountain environments have been exploited since the beginning of metallurgy and legacy contamination from activities such as mining persist to this day. This is particularly the case in the soils of the European mountains where potential harmful trace elements (such as Pb, Sb, As, and Hg) of anthropogenic origin have accumul...

Abstract. In this paper, we quantify CO₂ and N₂O emissions from denitrification over the Amazonian wetlands. The study concerns the entire Amazonian wetland ecosystem with a specific focus on three focal locations: the Branco Floodplain, the Madeira Floodplain and the floodplains alongside the Amazon River. We adapted a simple...

Several impacts over ecosystem services have been produced by land use/cover changes, placing it as one of the main factors driving global environmental change. In the present study, the SWAT model was used to assess the effect of land use/cover changes on the hydrology response in the Andalien river basin from the south-central zone of Chile. Thre...

Modeling is a useful way to understand human and climate change impacts on the water resources of agricultural watersheds. Calibration and validation methodologies are crucial in forecasting assessments. This study explores the best calibration methodology depending on the level of hydrological alteration due to human-derived stressors. The Soil an...

El proyecto PIRAGUA, financiado por el Programa Interreg POCTEFA de la UE, aborda la evaluación del ciclo hidrológico de los Pirineos en el contexto del cambio climático. El período de tiempo del proyecto es 2018-2020. Los objetivos del proyecto son unificar y homogeneizar la información existente, evaluar escenarios futuros, desarrollar indicadore...

Study Region Garonne Basin, France. Study Focus This study analyses water mass variations for the whole Garonne basin (50,000 km² drainage area). To do so, Total Water Storage Anomalies (TWSA) from seven global solutions based on the Gravity Recovery And Climate Experiment (GRACE) satellite mission measurements (˜300 km spatial resolution) are int...

The Orinoco River is considered the third most important river in the world in discharge (37,600 m^3.s^-1) with a surface of 1x10^6 km^2. The river originates from southwestern part of Guiana Shield, on the western slopes of Sierra Parima Mountains with maximum elevation of 1047 m. As a result of precipitation regime and distribution, the annual hy...