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Created for guttergirlz.blogspot.com challenge!! and it also fit nicely into the We Spy challenge blog too!! Thanks for looking! Just a little creative therapy for myself with all sorts of hidden meaning in it.
I revisited Donmouth Nature Reserve today 2/3/2018, prompted by the severe weather conditions that the so called "Beast From The East" has brought to the UK in the past few days, I decided to visit and capture any impacts it may have had along the coastline.
I found that the walk paths have eroded due to the heavy tides and tall waves that have battered the shore over the past few days, you can see the pathway clumps of grass that previously sat above the coastline now laying on the shore waiting for the sea to drag them off to the bottom of the North Sea.
Today was bitterly cold, the sea raged though I enjoyed a magnificent walk along the shore capturing what lay before me.
Check out my photos previously posted to appreciate the impact this "BFTE" has had on this beautiful nature reserve.
Coastal erosion is the wearing away of land and the removal of beach or sand dunes sediments by wave action, tidal currents, wave currents, drainage or high winds (see also beach evolution). Waves, generated by storms, wind, or fast moving motor craft, can cause coastal erosion, which may take the form of long-term losses of sediment and rocks, or merely the temporary redistribution of coastal sediments; erosion in one location may result in accretion nearby.
The study of erosion and sediment redistribution is called 'coastal morphodynamics'.
It may be caused by hydraulic action, abrasion, impact and corrosion by wind, water, and other forces, natural or unnatural.
On non-rocky coasts, coastal erosion results in dramatic (or non-dramatic) rock formations in areas where the coastline contains rock layers or fracture zones with varying resistance to erosion.
Softer areas become eroded much faster than harder ones, which typically result in landforms such as tunnels, bridges, columns, and pillars.
Over time the coast generally evens out. The softer areas fill up with sediment eroded from hard areas, and rock formations are eroded away.
Also abrasion commonly happens in areas where there are strong winds, loose sand, and soft rocks.
The blowing of millions of sharp sand grains creates a sandblasting effect. This effect helps to erode, smooth and polish rocks.
The definition of abrasion is grinding and wearing away of rock surfaces through the mechanical action of other rock or sand particles.
Examples
Small-scale erosion destroys abandoned railroad tracks
A place where erosion of a cliffed coast has occurred is at Wamberal in the Central Coast region of New South Wales where houses built on top of the cliffs began to collapse into the sea. This is due to waves causing erosion of the primarily sedimentary material on which the buildings foundations sit.[2]
Dunwich, the capital of the English medieval wool trade, disappeared over the period of a few centuries due to redistribution of sediment by waves.
Human interference can also increase coastal erosion:
Hallsands in Devon, England, was a coastal village that washed away over the course of a year, an event directly caused by dredging of shingle in the bay in front of it.
The California coast, which has soft cliffs of sedimentary rock and is heavily populated, regularly has incidents of housing damage as cliffs erodes .
The Holderness coastline on the east coast of England, just north of the Humber Estuary, is one of the fastest eroding coastline in Europe due to its soft clay cliffs and powerful waves.
Groynes and other artificial measures to keep it under control has only accelerated the process further down the coast, because longshore drift starves the beaches of sand, leaving them more exposed. The White Cliffs of Dover have also been affected.
Fort Ricasoli in Kalkara, Malta already showing signs of damage where the land is being eroded Fort Ricasoli, a historic 17th century fortress in Malta is being threatened by coastal erosion, as it was built on a fault in the headland which is prone to erosion.
A small part of one of the bastion walls has already collapsed since the land under it has eroded, and there are cracks in other walls as well.
Wave action
Hydraulic action
Hydraulic action occurs when waves striking a cliff face compress air in cracks on the cliff face. This exerts pressure on the surrounding rock, and can progressively splinter and remove pieces. Over time, the cracks can grow, sometimes forming a cave. The splinters fall to the sea bed where they are subjected to further wave action.
Attrition
Attrition occurs when waves cause loose pieces of rock debris (scree) to collide with each other, grinding and chipping each other, progressively becoming smaller, smoother and rounder. Scree also collides with the base of the cliff face, chipping small pieces of rock from the cliff or have a corrasion (abrasion) effect, similar to sandpapering.
Solution
Solution is the process in which acids contained in sea water will dissolve some types of rock such as chalk or limestone.
Corrasion
Corrasion or otherwise known as abrasion occurs when waves break on cliff faces and slowly erode it. As the sea pounds cliff faces it also uses the scree from other wave actions to batter and break off pieces of rock from higher up the cliff face which can be used for this same wave action and attrition.
Corrosion
Corrosion or solution/chemical weathering occurs when the sea's pH (anything below pH 7.0) corrodes rocks on a cliff face. Limestone cliff faces, which have a moderately high pH, are particularly affected in this way. Wave action also increases the rate of reaction by removing the reacted material.
Factors that influence erosion rates
Primary factors
The ability of waves to cause erosion of the cliff face depends on many factors.
The hardness (or inversely, the erodibility) of sea-facing rocks is controlled by the rock strength and the presence of fissures, fractures, and beds of non-cohesive materials such as silt and fine sand.
The rate at which cliff fall debris is removed from the foreshore depends on the power of the waves crossing the beach. This energy must reach a critical level to remove material from the debris lobe. Debris lobes can be very persistent and can take many years to completely disappear.
Beaches dissipate wave energy on the foreshore and provide a measure of protection to the adjoining land.
The stability of the foreshore, or its resistance to lowering. Once stable, the foreshore should widen and become more effective at dissipating the wave energy, so that fewer and less powerful waves reach beyond it. The provision of updrift material coming onto the foreshore beneath the cliff helps to ensure a stable beach.
The adjacent bathymetry, or configuration of the seafloor, controls the wave energy arriving at the coast, and can have an important influence on the rate of cliff erosion. Shoals and bars offer protection from wave erosion by causing storm waves to break and dissipate their energy before reaching the shore.
Given the dynamic nature of the seafloor, changes in the location of shoals and bars may cause the locus of beach or cliff erosion to change position along the shore.
Coastal erosion has been greatly affected by the rising sea levels globally.
Donmouth Local Nature Reserve is a beach site in the historic Old Aberdeen part of the City where the River Don meets the sea.
A great place to see seals and a range of interesting birds. The beach area has changed over time as the river has changed its course. There are lots of interesting plants in the dunes and beach area. Bird hide is an excellent shelter from which to watch the wildlife. The paths run across King Street to the Brig 'o Balgownie., the original bridge in to the City from the North, then down the other side of the river to the sea.
The site was designated a Local Nature Reserve in 1992
Paths are good although wheelchair access to the beach would be difficult as the boardwalk can get covered with sand.
There is plenty of free car parking on the Beach Esplanade and at the car park in Donmouth Road. There are cycle racks on Beach Esplanade
Bridge Of Don has five spans of dressed granite, and rounded cutwaters that carry up to road level to form pedestrian refuges. The spans are 75 feet (23 m), with a rise of 25 feet (7.6 m).
It was widened in 1958-59, from 24 feet (7.3 m), to 66 feet (20 m) by the construction of a new concrete bridge adjacent to the old one.
It now carries four lanes of the A956 road, and is the last bridge on the River Don before it meets the sea. The bridge is just downstream from a substantial island in the river. Around the area of the bridge is the Donmouth Local Nature Reserve, designated as a LNR in 1992.
Near to the bridge are a number of World War II era coastal defences, including a pill box.
Mudflats
Mudflats are formed when fine particles carried downstream by the river are deposited as it slows down before entering the sea, and to a lesser extent by fine particles washed in by the tide. The sand spit at the mouth of the Don provides shelter from the wind and waves allowing this material to build up. The mud flats are a very rich and fertile environment. Despite their rather barren appearance they support a surprisingly diverse invertebrate fauna which includes; worms, molluscs and crustacea. These invertebrates are vitally important to wildfowl and wading birds within the estuary.
Salt marsh
Along the upper shore of the south bank saltmarsh has developed. This habitat would once have been much more extensive prior to the tipping of domestic and other refuse in the area and the formation in 1727 of an artificial embankment to prevent flooding of the river into the Links. This habitat is now reduced to a narrow strip of vegetation along the river margins upstream from the Powis Burn.
The species composition of the salt marsh varies according to the salinity of the water i.e. the proximity to the sea. Close to the Powis Burn this habitat is dominated by reed sweet-grass (Glyceria maxima) with reed canary-grass (Phalaris arundinacea), sea club-rush (Scirpus maritimus), spike-rush (Eleocharis palustris), hemlock water-dropwort (Oenanthe crocata) and common scurvygrass (Chochlearia officinalis).
Further inland reed sweet-grass continues to dominate but hemlock water-dropwort is more abundant with meadowsweet (Filipendula ulmaria) and valarian (Valariana officinalis),
Sand dunes
Sand dunes are found in the more exposed parts of the estuary at the river mouth. Again, this habitat was once much more extensive in this locality with dune grasslands stretching from Aberdeen Beach inland as far as King Street, southwards from the estuary of the Dee, northwards to the Sands of Forvie and beyond. Many of the dunes formed part of Seaton Tip, and following tipping the area was grassed over. Other areas have been formally landscaped to form golf courses or planted with native trees in 2010 to create a new woodland area.
Some remnants of the natural dune flora can be seen in the 'roughs' on the Kings Links golf course and near the mouth of the river.
Above the high water mark, fore dunes with thick clumps of the pioneer grass species including sea lyme grass (Elymus arenarius) and marram grass (Ammophila arenaria) occur. Few other species are able to cope with the shifting sand. The largest area of these young dunes is to the north and west of the headland. Further inland where the dunes are sheltered from the actions of the wind and waves, and soils are more developed, more stable dunes are present supporting a more diverse grassland habitat.
Strand line plants which are able to tolerate occasional coverage by sea water include sea rocket (Cakile maritima), frosted orache (Atriplex laciniata), sea sandwort (Honkenya peploides) and knotgrass (Polygonum aviculare). Bur-reed (Sparganium sp.) has been recorded; presumably washed down by the river.
Marram grass (Ammophila arenaria) and sea lyme grass (Elymus arenarius) dominate the fore dunes. The latter species is not native to this area but appeared in 1802. It is thought to have been unintentionally introduced into the area by fishing boats. For a number of years it remained uncommon but from 1870 onwards it spread rapidly along the coastline (Marren, 1982).
In the more stable dunes red fescue (Festuca rubra), sand sedge (Carex arenaria), yellow rattle (Rhinanthus minor), wild pansy (Viola tricolour), harebell (Campanula rotundifolia), bird's-foot-trefoil (Lotus corniculatus) and lesser meadow-rue (Thalictrum minus) are abundant. Small amounts of kidney vetch (Anthyllis vulneraria), valerian (Valeriana officinalis) and spring vetch (Vicia lathyroides) are present.
Scattered willows (Salix sp.) and sycamore (Acer pseudoplantanus) have seeded into this area. Gorse (Ulex europaeus) scrub has colonised the dunes in some areas and appears to be spreading.
Scrub
This habitat is almost entirely artificial with only the gorse scrub on the inner dunes being a semi-natural habitat. Alder and willow were planted along the south bank of the river in about 1970 and these shrubs are now generally well established. Further shrub planting on the south bank was carried out in 1990.
Willow (Salix sp.) and alder (Alnus glutinosa) were planted in the 1970's along the south bank of the River Don eastwards of the Bridge of Don. The trees to the west of this strip are doing considerably better than those to the east. More recent planting was carried out in 1990 with hawthorn (Crataegus monogyna), blackthorn (Prunus spinosa) elder (Sambucus nigra), goat willow (Salix caprea) and alder.
Underneath the scrub neutral grassland is present with cocksfoot (Dactylis glomerata), false oat-grass (Arrhenatherum elatius), cow parsley (Anthriscus sylvestris), sweet cicely (Myrrhis odorata), hedge woundwort (Stachys sylvatica) and hedge bindweed (Calystegia sepium).
Grassland
Much of the grassland within the reserve is formed on imported soil and is intensively managed. This includes grassland on the north and south sides of the Esplanade. Daffodils are present in the grassland on the north side of the road. On the north bank to the east of the Bridge of Don is rank grassland on a steep south-facing slope. This is unmanaged and contains some patches of scrub.
Rough grassland is present on the headland. This area has been modified by tipping, with rubble to the east and with grass cuttings to the west. The grassland contains a mixture of neutral grassland, dune grassland, ruderal, and introduced garden species. This area attracts flocks of seed eating birds in late summer and autumn.
Improved grassland is present on the headland and along the south bank of the estuary downstream from the bridge of Don. Much of this vegetation has developed on imported soil and contains a high proportion of ruderal species and garden escapes. On the headland, broadleaved dock (Rumex obtusifolius), nettle (Urtica dioica), coltsfoot (Tussilago farfara), spear thistle (Cirsium vulgare), cow parsley (Anthriscus sylvestris), hemlock (Conium maculatum) and hogweed (Heracleum sphondylium) are abundant. Sweet cicely (Chaerophyllum bulbosum) is widespread and in late summer fills the air with the scent of aniseed.
To the south of the Esplanade the grassland is managed with an annual cut.. The grassland does flood to form pools. Early in the year cuckoo flower (Cardamine pratensis) is common, meadow foxtail (Alopecuris pratensis)is known to occur around the margins of these pools.
Woodland
Semi-mature woodland is present on the steep sided south bank of the river upstream from the Bridge of Don. Most of this woodland has been planted in the mid 1930's though some older oak and elm trees are present. These may be relicts of former woodland cover. The woodland in the reserve is part of a strip of woodland along the River Don corridor which continues upstream from the Brig 'o' Balgownie.
Woodland is present on the south bank upstream from the Bridge of Don.
Much of the woodland consists of even aged stands with willow (Salix sp.), sycamore (Acer pseudoplatanus), ash (Fraxinus excelsior), beech (Fagus sylvatica) and alder (AInus glutinosa).
At the top of the slope mature oak (Quercus sp.) and elm (Ulmus glabra) are present. The ground flora contains tufted hair-grass (Deschampsia caespitosa), red campion (Silene dioica), ramsons (Allium ursinum) and lady fern (Athyrium felix-femina) .In a few areas dense shading is caused by the trees and in these areas the ground flora is poor.
On the north bank scattered trees are present, mainly willow and sycamore with some scrub.
I am taking advantage of our group site to send all of you who practice the Christian Faith and will celebrate Easter Sunday, this greeting and my love to all of you .
This overlooks our bay front...Corpus Christi, The body of Christ. I texted in the inscription and name of the sculpture because it did not show..
Working the former GHA route Ruthin to Graigfechan. On Monday 18th July this service will be taken on by M and H
Prompt in DALL-E
Enhance the image of a historical book titled "Old Paris - The Seine". The book is open with elaborate and intricate 3D images springing out from the pages, vividly depicting scenes of the Seine in old Paris, with rich details and textures. The emerging images are surrounded by a denser mist, contributing to a mysterious and enchanting atmosphere. The background is dark and moody, contrasting with the bright, lifelike 3D illustrations. The ultra-realistic overall composition is replete with fine details that offer an immersive glimpse into the historical life by the Seine.
Today, I want you to draw a picture, doodle, sketch, of a person who you love, or admire. Then, write that person a letter telling them why they mean so much to you!
A few years ago I worked as a volunteer for Stichting Zwerfkatten (a foundation that cares for the stray-cats that live in Rotterdam).
This is Sylvester. This little baby lived with his mom and sister in the streets of Rotterdam. Luckily the Foundation was able to take care of them.
VU21 DFK
2021 DAF XF 480 FTG Super Space Cab
Prompt Transport, North Common, Bristol
Buckingham, 2 August 2021
The story on scrapping outside the theme.
Credits:
Fonts: Impact and Halo Handletter; Digital Kit: Spook by Karla Dudley
In early February more than 4 feet of snow blanket I-90 in 48 hours prompting the closure between North Bend and Ellensburg.
CHATSWORTH - A prompt call to 9-1-1 from a passerby brought the Los Angeles City Fire Department and allied agencies to quickly conquer a small non-injury brush fire in the 11500 block of North Topanga Canyon Boulevard on September 29, 2020.
© Photo by Austin Gebhardt
LAFD Incident: 092920-0711
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