Gully in arid climate.

Climate change alters hydrological cycle processes such as snow cover, runoff, and soil water, which affect the ecosystem [].As the most critical component of the ecosystem, vegetation activities could well represent ecosystem variations [], and vegetation is highly sensitive to climate change [3,4,5], especially in arid ecosystems [].For example, dryland vegetation was observed as having a ...Water deficit is high and precipitation varies spatio-temporally in arid areas. This study was conducted to analyse the spatio-temporal variability of precipitation and drought intensity in an arid catchment in South Africa. The Soil and Water Assessment Tool (SWAT) was used to estimate the spatio-temporal precipitation where nine meteorological stations were used as input to the model. The ...Examines the processes operating in the headwaters and main channels of ephemeral rivers in semi-arid environments and includes coverage of current fieldwork investigations, modeling approaches, and management issues. focuses on dryland channel networks and processes presents a historical framework for research discusses examples of current studies and evaluates contemporary modelling ...This area is characterized by an arid climate and intensive agricultural utilization on loess soil, enhancing gully erosion and the formation of gullied landforms. To address biomaterial flows we designed a comprehensive scheme based on the analysis of five separate geomorphological profiles from nearby landforms into their influent gullies.Along with the global climate change, gully erosion, flood and drought jointly restrict the sustainable development of arid rangeland in Central Asia. Rainwater harvesting (RWH) system in gully is ...

The semi-arid loess hilly–gully region in China has an extremely vulnerable ecological environment. Inappropriate land use — crop farming, overgrazing, and plantation forestry - has worsened ...

Some factors (i.e. lithology, topography, climate, the change of population as well as land use during the past 50 years) that could have great influence on the development of gully in the arid-hot basin of Jinshajiang valley were investigated. The results show that the factors leading to the strong gully erosion in this area include: the widely distributed Yuanmou group stratum, which ...Among the land degradation processes, gully erosion is the one that poses more environmental and societal challenges in arid regions. Predicting spatiotemporal gully development in a region under changing conditions is important to adopt proper mitigation measures. Here we investigate the Ghapan-Olya watershed in Golestan province in Iran, which is affected by many erosional landforms ...

Arid and semi-arid regions store approximately 27% of global soil organic carbon (SOC), thus playing an important role in the global carbon cycle. Although afforestation is widely used to achieve the goals of landscape protection and ecological restoration in these regions, its effects on the dynamics of SOC and total nitrogen (TN) stocks as ...23.3.3 Climate of Regions with Gully Erosion. Results of this survey indicated that 35% of the Iranian gullies are located in a semi-arid climate. Then, they are distributed in arid and Mediterranean climates with 22% and 16%, respectively (Fig. 23.7). These results with our field observations indicate two facts.The KwaThunzi Gully (Lat −29.6164°, Lon 29.6480°) is located at an elevation of ~1200 m a.s.l. on a slope exposed to southwest covered by grassland in the upstream area of the Mkomazi River. The gully developed in colluvial sediments of the Masotcheni formation that is of Late Pleistocene age (Botha et al. Citation 2016, Bosino et al.Gully head expansion was estimated by different methods such as back calculation from erosion modulus, literature archaeology, or field monitoring. ... In the semi-arid climate, although the total annual rainfall is insufficient, the rainfall is mainly concentrated in the rainy season. Rainfall first accumulates on the huge, flat top surface to ...Along with the global climate change, gully erosion, flood and drought jointly restrict the sustainable development of arid rangeland in Central Asia. Rainwater harvesting (RWH) system in gully is a flexible …

Vegetation has a big role on the distribution of soil water in gully edges, thus it can be conservation way to manage the soil which has effect for landslide in the semi arid region (Wang et al ...

Climate change alters hydrological cycle processes such as snow cover, runoff, and soil water, which affect the ecosystem [].As the most critical component of the ecosystem, vegetation activities could well represent ecosystem variations [], and vegetation is highly sensitive to climate change [3,4,5], especially in arid ecosystems [].For example, dryland vegetation was observed as having a ...

Both are part of the lower central plateau Atlantic Meseta. The climate in this region ranges between sub-humid and semi-arid, with a mean annual rainfall of 350 mm over a 32 year period (1970-2002), collected at the Rabat/Sale meteorological station about 22 km away from the study area (DESIRE, 2010). Most of the region consists of rolling ...Results showed an upward trend in annual mean temperature for Enugu (0.02 0 C) and Umuahia (0.03 0 C). Similarly, Enugu is getting wetter by 5.84mm while Umuahia is increasing by 5.25mm per annum ...To see how climate tech stands to outperform forecasts, you only have to look as far back as 1970, when the computing revolution took off. There’s been a lot of hand-wringing over ...This method is useful in all types of region, both those with sparse vegetation (such as badlands in a semi-arid climate; e.g. Chilton et al., 2008; Zhu, 2003) ... Gully head retreat rates in the semi-arid highlands of Northern Ethiopia. Geomorphology, 173–174 (2012), ...This work used three state-of-the-art machine learning techniques to produce a multi-hazard (MHR) map illustrating areas susceptible to flooding, gully erosion, forest fires, and earthquakes in Kohgiluyeh and Boyer-Ahmad Province, Iran. We used three state-of-the-art machine learning techniques (boosted regression tree, random forest, and support vector machine) to produce a multi-hazard (MHR ...Grey Partridge 14. Spiny-Tailed Lizard 15. Yellow Monitor Lizard. Animal # 1. Gazelle (Gazella gazella): It is the State mammal of Rajasthan, Locally it is called 'Chinklo' in Hindi—'Chinkara'. Indiscriminate hunt­ing of it for meat is the major cause of decline of its number in certain localities.

Among the land degradation processes, gully erosion is the one that poses more environmental and societal challenges in arid regions. Predicting spatiotemporal …named as RFADT, for gully erosion mapping in a semi-arid watershed, Klocheh, Bijar in Kurdistan province, Iran. RF is a relatively new and powerful ensemble framework that has proven its e ffi ciencyKurt L. Frankel, James F. Dolan Characterizing arid region alluvial fan surface roughness with airborne laser swath mapping digital topographic data, Journal of Geophysical Research: Earth Surface 112, no.F2 F2 (May 2007).The climate is temperate with warm summers and an average annual rainfall of about 60 inches, mostly from late June and mid-September. Winter snow soon melts except in the higher hills. The forests are mostly pine with little undergrowth. Ravines have oak forests with scattered rhododendron trees.It has an arid and semi-arid type of climate. The Sub-basin experiences steppe climate (the BSh type climate zone as per Koppen's classification). ... Formations of rills and gully erosion are common in the sub-basin due to the semi-arid climate with high rainfall events and bad topographical surface (Liang et al., 2010). Download : Download ...

The climate is extremely arid, with an average annual temperature of 21.8°C, an average annual precipitation of 634.0 mm, concentrated in May to October (over 85%), and an average annual ...

Climate Variability and Land-Use Change in the Hilly-Gully Region of the Loess Plateau, China Youcai Kang 1,2,3, Jianen Gao 1,2,3,4,*, Hui Shao 5 and Yuanyuan Zhang 1,2,3 ... This region belongs to the north subtropical arid region, which has an average precipitation of 498 mm, and more than 58% of the rainfall is concentrated from July ...A Novel Ensemble Artificial Intelligence Approach for Gully Erosion Mapping in a Semi-Arid Watershed (Iran) ... Iran. A total of 915 gully erosion locations along with 22 gully conditioning factors were used to construct a database. Some soft computing benchmark models (SCBM) including the ADTree, the Support Vector Machine by two kernel ...However, they are all directed at the typical black soil area, while the soil erosion caused by the erosion gully in the semi-arid area of Northeast is less ...Gully. Crossword Clue Here is the solution for the Gully. clue featured on January 1, 1966. We have found 31 possible answers for this clue in our database. Among them, one solution stands out with a 95% match which has a length of 6 letters. You can unveil this answer gradually, one letter at a time, or reveal it all at once.A gully is a common landform in mountainous and hilly areas and is formed by surface erosion as a result of temporary water concentration (Vanacker et al. 2003).Among the various factors affecting gully systems, the watershed morphology is an important non-zonal factor that affects the rate, scale, and quantity of gully erosion (Zhang 2014).In turn, watershed morphology influences the process ...Request PDF | Determining prone areas to gully erosion and the impact of land use change on it by using multiple-criteria decision-making algorithm in arid and semi-arid regions | Gully erosion is ...The climate of the Great Plains varies greatly from north to south and from east to west. Southern areas of the region can have high temperatures for much of the year while norther...

The natural vegetation is defined as arid, sparsely distributed, except for localized linear features along the wadis (Smith et al., 2012), in soil patches (Mor-Mussery et al., 2014) and in unprocessed plots in the cultivated areas (Poesen, 2011). Most of the Western gully has a 'U' shape (Capra, 2013) with 5-45° slopes from the surrounding ...

The combination of loess soil, an arid climate and intensive and continuous cultivation may promote incision and gully erosion. Whereas most studies focus on geomorphological aspects of gully ...

Long-term climate observations showed a 1.6 °C increase in temperature in the arid zone of Central Asia over the past century (Chen et al., 2012). The mean annual temperature ranges from 2 °C in northern Kazakhstan to >18 °C in Turkmenistan and southern Uzbekistan, and the annual average temperature of the mountainous regions and hills is ...In arid and semi-arid climates, such as the Semnan province, Iran, gullies cause very extensive damage and are considered a major environmental problem [26,46]. Therefore, the identification of the causes of gully erosion development and its zoning for comprehensive management planning by executive agencies remain essential.Gully incision has been eroding the alluvial sediments and loess soils deposited and developed along the valleys in the arid and semiarid regions of Israel. This phenomenon is critical in the arid regions of the Negev Highlands where the agricultural fields, the main floral biomass and the areas which have the highest grazing value, are limited to narrow valleys filled with redeposited ...Gully erosion destroys agricultural and domestic grazing land in many countries, especially those with arid and semi-arid climates and easily eroded rocks and soils. It also generates large amounts of sediment that can adversely impact downstream river channels.Gully erosion is a form of severe land degradation, which is more pronounced in semi-arid and arid environments due to their vulnerable ecosystems. Establishing the causes and effects of gullyIn spite of many research efforts on gully erosion, there is an argument about causes of gully erosion among researchers. Causes of gully erosion can be classified into three categories: human impact (Bork et al., 2001, Starr, 1989), climate change (Gregory and Moore, 1931) and intrinsic changes (Schumm and Hadley, 1957). Examples and causes of gully erosion include: land use change and ...Gully erosion destroys agricultural and domestic grazing land in many countries, especially those with arid and semi-arid climates and easily eroded rocks and soils.production in semi-arid and arid regions is 50-80% worldwide [7]. It has been reported that soil loss rates by gully erosion ranges from minimal 10% up to 94% of total sediment yield in water ...Fig. 3 indicates that regions with high rates of erosion or sediment yield are mostly in semi-arid and sub-humid regions (García-Ruiz et al., 2015 ... Tarekegn (2012) attributed the severe gully erosion under a humid monsoon climate in Ethiopia to subsurface flow. Also, soil particles that are washed away by saturation excess runoff are mainly ...

Downloadable! Salinity stress is one of the most vital abiotic stresses which results in significant damages of agricultural production, particularly in arid and semi-arid areas of the world. Salinity causes by high accumulation of soluble salt, especially NaCl in soil and water. Salinity hampers the growth and survival of many field crops such as rice, wheat, maize, cotton, sugarcane, and ...The province is characterized by a semi-arid Mediterranean climate in the north and arid in the south, with erratic rainfall that does not exceed 400 mm and an average monthly temperature of 9 °C in January and 37 °C in August (Benyahia et al., 2001). The population of the province has witnessed changes over the years of the study.Arid region water reservoirs have different characteristics and solutions from humid regions with the most water shortage in the world socio-economically. This paper outlines possible implementation methodologies, procedures and guidance for water storage in natural and artificial reservoirs for better operation and management rules …The defining characteristic of an arid climate is a lack of moisture. The soil is dry, the air is dry, and yearly precipitation is very low. A variety of factors combine to steer storms and moisture away from arid regions. In some arid climates, evaporation rates exceed precipitation, leading to a net moisture loss.Instagram:https://instagram. 1 2 tsp to mgichiban bethlehemlavita vineland njdeaths in wareham ma As for climate regimes, they have the strongest correlations in arid or cold regions, and weaker correlations in humid, temperate locations. While remotely sensed soil moisture data are less reliable in dense vegetation, these results confirm that drier, less vegetated climates show a highly linear relationship between soil moisture and rainfall.Oct 31, 2005 · At each gully head, one or several headcuts, 1.5 to 4.5 m high, are incised into the valley floor, exposing the alluvium sequence down to a coarse conglomerate or to the bedrock. The gully heads divide the valleys in the region into two main segments: (a) The upper valley upstream of the gully head up to the headwater of the drainage basin. In ... edm concerts okcgo auto sales gainesville During the monitoring time interval (1990–2001), the linear gully retreat in the study area ranged between 12.3 and 250 m an average rate of 1.12–22.7 m year−1 for each gully head.Gully erosion destroys agricultural and domestic grazing land in many countries, especially those with arid and semi-arid climates and easily eroded rocks and soils. It also generates large amounts of sediment that can adversely impact downstream river channels. The main objective of this research is to accurately detect and predict areas prone to gully erosion. In this paper, we couple hybrid ... indianahsbasketball john harrell 8 Jan 2017 ... belongs to temperate sub-arid climate. Sandy land is widely distributed there. Gully erosion between dune and sand hill can easily formed by ...A check dam (also called gully plug) is a small, temporary or permanent dam constructed across a drainage ditch, swale, or channel to lower the speed of water flows. ... Sand and subsurface dams are suitable for rural areas with semi-arid climate in order to store only seasonal available water to be used in dry periods for livestock, minor ...May 1, 2022 · The here presented thermo-erosion gully inventory is valuable when regarded from a climate change perspective, as it can be utilised by scientists from various backgrounds, such as cryosphere research, geomorphology, statistical modelling of climate-induced geomorphological processes, hydrologists, cultural heritage planners, etc.