Thongchai Thailand

CLIMATE CHANGE FLASH FLOODS

Posted on: July 28, 2021

Evidence of a Flash-flood During the LITTLE ICE AGE in Asturias, NW Spain, and its Social Consequences Jesús Fernández ORCID Icon,Gabriel Moshenska ORCID Icon &Eneko Iriarte ORCID Icon Pages 38-48 | Received 17 May 2017, Accepted 14 Nov 2017, Published online: 28 Nov 2017:
ABSTRACT: This paper presents the results of a multidisciplinary study of the impact of climate change during the Little Ice Age on a medieval village in Asturias, Spain. The research focused on tracing evidence for a flash flood that buried the village beneath a thick layer of debris, including examining the remains of structures and agricultural land sealed beneath the debris, and considering the social and economic implications of the event in the subsequent history of the area. First, a series of test pits was excavated within the area of the modern village to map the full extent of the damage. Following this, analysis of the stratigraphy, architectural remains, datable artefacts and radiocarbon dating contributed further details, while historical evidence revealed the privatisation of the agricultural land following the catastrophe. The findings offer a snapshot of climate change and its social contexts in a specific, under-studied area with possible implications for the study of risk behaviour and disaster response in currently inhabited areas.

Heavy rain causes floods in central and Eastern Romania | Romania Insider

Flash flood events in Transylvania during the Medieval Warm Period and the Little Ice Age: Abstract: We present here the first record of past flooding activity from the Carpathian Mountains, Eastern Europe, based on documentary evidence and sedimentary records along one of the main rivers draining this region (Someșul Mic River). Three periods of increased flood activity have occurred in Transylvania during the last millennium: the first at the beginning of the 10th century (the end of the Dark Ages Cold Period and beginning of the Medieval Warm Period (MWP)); the second at the end of the 16th and beginning of 17th century, during the cold Little Ice Age (LIA) and the third at the end of the 19th century. During the early MWP, generally wet summers resulted in a high incidence of floods and/or high discharges, while the cluster of floods at the end of 16th and beginning of the 17th centuries occurred mostly at flash floods generated during heavy summer thunderstorms. Increasing winter temperatures and spring precipitations probably caused the high incidence of floods at the end of the 19th century. The predominantly wet conditions during the MWP are likely to have resulted from northward penetration of Mediterranean cyclones during a (mostly) positive phase of the North Atlantic Oscillation (NAO), while wet conditions during the LIA arose as a combination of increases in local storminess and moisture transport from the North Atlantic along more southerly positioned westerlies associated with a negative phase of the NAO.

Evidence for extreme flash floods in arid subtropical northwest Australia during the Little Ice Age

ABSTRACT: Here we report a ∼2000-year sediment sequence from the Fortescue Marsh (Martuyitha) in the eastern Pilbara region, which we have used to investigate changing hydroclimatic conditions in the arid subtropics of northwest Australia. The Pilbara is located at the intersection of the tropical Indian and Pacific Oceans and its modern rainfall regime is strongly influenced by tropical cyclones, the Intertropical Convergence Zone (ITCZ) and the Indo-Pacific Warm Pool. We identified four distinct periods within the record. The most recent period (P1: CE ∼1990–present) reveals hydroclimatic conditions over recent decades that are the most persistently wet of potentially the last ∼2000 years. During the previous centuries (P2: ∼CE 1600–1990), the Fortescue Marsh was overall drier but likely punctuated by a number of extreme floods, which are defined here as extraordinary, strongly episodic floods in drylands generated by rainfall events of high volume and intensity. The occurrence of extreme floods during this period, which encompasses the Little Ice Age (LIA; CE 1400–1850), is coherent with other southern tropical datasets along the ITCZ over the last 2000 years, suggesting synchronous hydroclimatic changes across the region. This extreme flood period was preceded by several hundred years (P3: ∼CE 700–1600) of less vigorous but more regular flows. The earliest period of the sediment record (P4: ∼CE 100–700) was the most arid, with sedimentary and preservation processes driven by prolonged drought. Our results highlight the importance of developing paleoclimate records from the tropical and sub-tropical arid zone, providing a long-term baseline of hydrological conditions in areas with limited historical observations.

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1 Response to "CLIMATE CHANGE FLASH FLOODS"

What happens when you heat a planet?

Do you get more water vapor?

Do you get more precipitation?

The Climate Alarmists want you to believe we’re going to fry, but many more people will die from drowning.

Promoting a false narrative while ignoring the facts of simple science is a crime against humanity.

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  • Ruben Leon: When your mind is made up you ignore the data and try to justify the bias you acquired as a juvenile and never questioned. The fact that the Antar
  • chaamjamal: Thank you for raising these interesting points. We live in strange times. Some day we may figure this out.
  • gregole: Funny after all that doom and gloom from Al Gore some years back I haven't seen much of him lately. Guess he made all the money he needed and is chil
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