The Impacts of Sea-Level Rise on Tidal Flooding in Boston, Massachusetts

2016 ◽  
Vol 32 (6) ◽  
pp. 1302 ◽  
Keyword(s):  
Sea Level Rise ◽  
Sea Level ◽  
Tidal Flooding

Mangrove ecosystem resilience to sea level rise: a case study of Blanakan Bay, Subang Regency, West Java, Indonesia

2013 ◽  
Vol 1 (1) ◽  
pp. 63
Author(s):  
Poppy Yulianti ◽  
Yusli Wardiatno ◽  
Agustinus M Samosir
Keyword(s):  
Land Use ◽  
Sea Level Rise ◽  
Sea Level ◽  
Time Allocation ◽  
Compliance Rate ◽  
Ecological Factors ◽  
Mangrove Ecosystem ◽  
Social Resilience ◽  
Tidal Flooding ◽  
Coverage Density

This research was conducted to assess the social and ecological resiliences of mangrove ecosystem to sea level rise as a consequence of climate change. Resilience Index (RI) method was used range from 0 to 1. Sixteen resilience indicators, both ecological and social, are selected, developed, and evaluated. The indicators consist of mangrove coverage, density and diversity, aquatic fauna species, tidal flooding, salinity, sedimentation, land use, mangrove dependency and time allocation, conflicts potential, knowledge, the compliance rate, types of livelihood, institution cap, and level of education. Evaluation result indicate that the bay was divided into two categories of resilience; the majority has middle resilience because the mangrove coverage, density, and land use are high, with composite RI (CRI) range from 0.45 to 0.58. This was found in the villages of Muara, Langensari, Blanakan, Jayamukti, and Rawameneng. Only one village has high CRI of 0.69, such as the Cilamaya Girang. The main ecological factors that contribute to the high resilience of the area is the rate of sedimentation of 2 meters per year and rare tidal flooding, while the factor that contributes most to the impediment of social resilience is public knowledge about the importance of mangrove ecosystems©Penelitian ini merupakan penilaian parameter resiliensi ekologis-sosial ekosistem mangrove terhadap penaikan muka air laut sebagai konsekuensi dari perubahan iklim. Analisis yang dilakukan adalah untuk menghitung indeks resiliensi (Resiliency Index/RI) yang menggunakan skala 0-1. Enam belas parameter (ekologis-sosial) digunakan dalam penelitian ini, yaitu: penutupan, kerapatan, keanekaragaman jenis mangrove, jenis fauna akuatik, salinitas, banjir pasang, penggunaan lahan, laju sedimentasi, ketergantungan masyarakat, alokasi waktu pemanfaatan ekosistem mangrove, potensi konflik, tingkat kepatuhan masyarakat, pemahaman fungsi mangrove, jenis mata pencaharian, kelembagaan, dan tingkat pendidikan. Hasil analisis RI menunjukkan, Teluk Blanakan hanya memiliki 2 tingkat resiliensi, yaitu Tingkat Menengah dan Tingkat Tinggi. Tingkat Menengah memiliki penutupan mangrove yang rendah, kerapatan mangrove yang rendah, dan ketergantungan pemanfaatan mangrove yang sangat tinggi dengan kisaran nilai RI 0.45-0.58 yang ditempati oleh Desa Rawameneng, Jayamukti, Blanakan, Langensari, dan Muara. Tingkat Tinggi dengan nilai RI 0.69 hanya ditempati oleh Desa Cilamaya Girang, karena memiliki laju sedimentasi dan ketergantungan masyarakat terhadap kawasan mangrove yang rendah©

scholarly journals Sea level rise drives increased tidal flooding frequency at tide gauges along the U.S. East and Gulf Coasts: Projections for 2030 and 2045

PLoS ONE ◽  
2017 ◽  
Vol 12 (2) ◽  
pp. e0170949 ◽  
Author(s):  
Kristina A. Dahl ◽  
Melanie F. Fitzpatrick ◽  
Erika Spanger-Siegfried
Keyword(s):  
Sea Level Rise ◽  
Sea Level ◽  
Tide Gauges ◽  
Tidal Flooding ◽  
Flooding Frequency ◽  
The U.S

US Commuting delays from tidal flooding worsen with sea level rise

2021 ◽  
Author(s):  
Mathew Hauer ◽  
Valerie Mueller ◽  
Glenn Sheriff
Keyword(s):  
Sea Level Rise ◽  
Sea Level ◽  
21St Century ◽  
Coastal Communities ◽  
Tidal Flooding ◽  
Flood Exposure ◽  
Home Work ◽  
Societal Impacts ◽  
Economic Zones ◽  
Coastal Residents

Abstract Although sea level rise is predicted to cause severe societal impacts at the end of the 21st century, few studies quantify the impacts coastal communities already face and empirical evidence regarding contemporary adaptive behaviors to these contemporary impacts remains limited. Here we combine complete road networks, historical and projected flood exposure, and the home/work locations of 500 million person-years for US coastal commuters to estimate the historic and projected delays due to SLR-related tidal flooding. We find that tidal flooding currently delays coastal commuters by an average of 22 minutes (+/- 4.4), increasing to 183 (+/- 33) to 643 (+/- 108) minutes by 2060 under current sea level rise scenarios. Furthermore, adaptive changes in residential and work locations from 2000-2015 reduced delays for coastal residents in 40% of U.S. counties. In the absence of policy, these commuting delays could lead to capital and residential flight from currently thriving coastal economic zones.

Microfossil measures of rapid sea-level rise: Timing of response of two microfossil groups to a sudden tidal-flooding experiment in Cascadia

Geology ◽  
2017 ◽  
Vol 45 (6) ◽  
pp. 535-538 ◽  
Author(s):  
B.P. Horton ◽  
Y. Milker ◽  
T. Dura ◽  
K. Wang ◽  
W.T. Bridgeland ◽  
...  
Keyword(s):  
Sea Level Rise ◽  
Sea Level ◽  
Tidal Flooding

scholarly journals Leaf Enzyme and Plant Productivity Responses to Environmental Stress Associated with Sea Level Rise in Two Asian Mangrove Species

Forests ◽  
2019 ◽  
Vol 10 (3) ◽  
pp. 250 ◽  
Author(s):  
Xiaobo Lv ◽  
Donghai Li ◽  
Xiaobo Yang ◽  
Mengwen Zhang ◽  
Qin Deng
Keyword(s):  
Sea Level Rise ◽  
Sea Level ◽  
Synergistic Effects ◽  
High Tide ◽  
Mangrove Forests ◽  
Mangrove Species ◽  
Sea Levels ◽  
Tidal Flooding ◽  
Seawater Salinity ◽  
Flooding Time

As the only forests situated at the transition between land and sea, mangrove forests are one of the first ecosystems vulnerable to rising sea levels. When the sea level rises, plants are exposed to increased salinity, as well as tidal flooding. The responses of mangrove forests to changing sea levels depend on the synergistic effects of tidal flooding and salinity on plants, especially seedlings. The focus of this paper is to assess the ability of different tide position on mangrove Aegiceras corniculatum (A. corniculatum) and Bruguiera sexangula (B. sexangula) seedlings to withstand tidal flooding and seawater salinity, and to investigate the effects of tidal flooding and salinity on plant growth. To accomplish this, a controlled experiment was initiated to examine the synergistic effects of tidal flooding and salinity on the growth and physiology of A. corniculatum and B. sexangula seedlings subjected to four tidal flooding times and four levels of salinity over a course of six months. The results showed that the biomass and antioxidant enzymes of A. corniculatum and B. sexangula seedlings were significantly affected by the increase in salinity and flooding time. Changes in biomass, SOD, and CAT activity of A. corniculatum seedlings show that they are more adapted to grow in an environment with high salinity and long flooding time than B. sexangula. Our results show that species growing in middle- to low-tide levels were better adapted to sea level rise than those growing at high-tide levels.

Geospatial Risk Assessment of Marine Terminal Infrastructure to Storm Surge Inundation and Sea Level Rise

2018 ◽  
Vol 2672 (11) ◽  
pp. 19-29 ◽  
Author(s):  
George M. McLeod ◽  
Thomas R. Allen ◽  
Joshua G. Behr
Keyword(s):  
Risk Assessment ◽  
Sea Level Rise ◽  
Sea Level ◽  
Storm Surge ◽  
Storm Surges ◽  
Risk Tolerance ◽  
Water Levels ◽  
Rapid Screening ◽  
Tidal Flooding ◽  
The Future

Planning resiliency and sustainability of port operations and critical infrastructure requires risk assessment of storm surge exposure and potential sea level rise. An approach for rapid, screening-level assessment is developed to estimate the current and future risk of exposure to severe storm surges posed to marine terminal facilities in Norfolk, Virginia. The approach estimates the vertical elevation of local mean sea level fifty years into the future and attendant increases in potential storm surge heights. Inundation models are designed for baseline water levels and storm surges for category 1–3 hurricanes across five precautionary future sea level rise scenarios. In addition, tidal flooding poses an emerging threat because sea level rise will also force tides to higher elevations, suggesting that today’s extreme high tides may be the future mean high tide and today’s “nuisance” tidal flooding may in the future recur with chronic regularity. Potential tidal flooding levels are also modeled for each sea level scenario. This approach allows a port to assess relative risk tolerance across the range from lesser to more severe flooding events. Maps and tabular information in linked scenarios are used to summarize the extent, pattern, and depth of potential flooding. The methodology and data developed in this study may be applied to inform the timing and placement of planned assets and can be leveraged in the broader pursuit of optimization in support of long-term master planning at marine terminals.

scholarly journals The Increased Risk of Flooding in Hampton Roads: On the Roles of Sea Level Rise, Storm Surges, Hurricanes, and the Gulf Stream

2018 ◽  
Vol 52 (2) ◽  
pp. 34-44 ◽  
Author(s):  
Tal Ezer
Keyword(s):  
Sea Level Rise ◽  
Sea Level ◽  
Gulf Stream ◽  
Storm Surges ◽  
Water Levels ◽  
Tropical Storms ◽  
Tidal Flooding ◽  
Hampton Roads ◽  
Elevated Water ◽  
The Impact

AbstractThe impact of sea level rise on increased tidal flooding and storm surges in the Hampton Roads region is demonstrated, using ~90 years of water level measurements in Norfolk, Virginia. Impacts from offshore storms and variations in the Gulf Stream (GS) are discussed as well, in view of recent studies that show that weakening in the flow of the GS (daily, interannually, or decadal) is often related to elevated water levels along the U.S. East Coast. Two types of impacts from hurricanes on flooding in Hampton Roads are demonstrated here. One type is when a hurricane like Isabel (2003) makes a landfall and passes near the Chesapeake Bay, causing a large but short-term (hours to a day) storm surge. The second type is when Atlantic hurricanes like Joaquin (2015) or Matthew (2016) stay offshore for a relatively long time, disrupting the flow of the GS and leading to a longer period (several days or more) of higher water levels and tidal flooding. Analysis of the statistics of tropical storms and hurricanes since the 1970s shows that, since the 1990s, there is an increase in the number of days when intense hurricanes (Categories 3‐5) are found in the subtropical western North Atlantic. The observed Florida Current transport since the 1980s often shows less transport and elevated water levels when tropical storms and hurricanes pass near the GS. Better understanding of the remote influence of the GS and offshore storms will improve future prediction of flooding and help mitigation and adaptation efforts.

Glacial Contributions to 21st Century Sea Level Rise

Eos ◽  
2020 ◽  
Vol 101 ◽  
Author(s):  
Kate Wheeling
Keyword(s):  
Sea Level Rise ◽  
Sea Level ◽  
21St Century ◽  
Mass Change ◽  
Sources Of Uncertainty

Researchers identify the main sources of uncertainty in projections of global glacier mass change, which is expected to add about 8–16 centimeters to sea level, through this century.

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