tatiana loboda, olga krankina, igor savin, eldar kurbanov ... · tatiana loboda, olga krankina,...
TRANSCRIPT
![Page 1: Tatiana Loboda, Olga Krankina, Igor Savin, Eldar Kurbanov ... · Tatiana Loboda, Olga Krankina, Igor Savin, Eldar Kurbanov, Joanne Hall. ... Medvedeva et al., 2012. Chuvashia crops](https://reader035.vdocument.in/reader035/viewer/2022081523/5fdc10fe2e367a35571e1719/html5/thumbnails/1.jpg)
LAND MANAGEMENT CHANGES AND IMPACT OF EXTREME DROUGHTS IN EUROPEAN RUSSIA
Tatiana Loboda, Olga Krankina, Igor Savin, Eldar Kurbanov, Joanne Hall
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EUROPE AND METEOROLOGICAL DISASTERS
Meteorological disasters include: droughts floods wind storms snow storms extremely low or high temperatures
Most are related to persistent atmospheric blocking events
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ATMOSPHERIC BLOCKING
Image from http://www.cpc.ncep.noaa.gov/products/precip/CWlink/blocking/background/atlantic_case.shtml
Characteristics (CPC NOAA):• 2 separate branches of
westerly flow over a considerable longitudinal extent
• Reverse (Easterly) flow south of the blocking ridge
• Meridional flow (deep troughs) both sides of blocking ridge
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BLOCKING INDEX
Tibaldi and Molteni (1990) Blocking Index Calculates the GPH gradient at each specified longitude
Øn = 80°N + δØo = 60°N + δØs = 40°N + δ
δ = -5°, -2.5°, 0°, +2.5°, +5°Z = Geopotential Height
GHGS =
so
so
Ø - Ø) Z(Ø- )Ø(Z
sn
on
Ø - Ø) Z(Ø- )Ø(Z
GHGN =
GHGS Index Max value = amplitude of block Longitude of max value = measure of phase
Blocking Criteria: GHGS > 0 GHGN < -10deg/lat
NCEP-DOE Reanalysis 2:Daily 500hPa geopotential height at 12:00pm1979-2013
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BLOCKING EVENTS ARE COMMON IN EUROPE
0
200
400
600
800
1000
1200
Western Central Eastern Russian Urals
Tota
l num
ber o
f blo
ckin
g ev
ents
Monhtly frequency of blocking events 1979-2013Dec
Nov
OctSep
Aug
JulJun
May
AprMar
Feb
Jan
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SUMMER 2010 BLOCKING EVENT
JJA 2010 : 500hPa Geopotential Height AnomalyClimatology Base Period (1979 – 2012)
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a) temperature (degrees C) b) precipitable water (kg m-2)
ba
SUMMER 2010 DROUGHT
2010 summer mean daily anomaly from the 2001-2012 base in European Russia (data source: NCEP Reanalysis II data).
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-15
-10
-5
0
5
101
-Jan
1-F
eb
1-M
ar
1-A
pr
1-M
ay
1-J
un
1-J
ul
1-A
ug
1-S
ep
1-O
ct
1-N
ov
1-D
ec
anom
aly
T (deg C) precipitable water (kg/m^2)
Daily temperature and precipitation anomaly during 2010 from NCEP Reanalysis data
SUMMER 2010 DROUGHT
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MAJOR IMPACTS OF SUMMER 2010 DROUGHT
Crop failure grain production in Russia dropped by 20--30% compared to 2009
Forest and peat fires Biggest fire year on record since 2001 (likely since 1972)
Human health impacts Estimates > 55,000 deaths Direct heat impact Extreme concentrations
of emissions
Active Fires500hPa Wind Direction
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0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
1-J
an1
7-J
an2
-Feb
18
-Feb
6-M
ar2
2-M
ar7
-Apr
23
-Apr
9-M
ay2
5-M
ay1
0-J
un2
6-J
un1
2-J
ul2
8-J
ul1
3-A
ug2
9-A
ug1
4-S
ep3
0-S
ep1
6-O
ct1
-Nov
17
-Nov
3-D
ec1
9-D
ec
ND
VI
Affected forests
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
1-J
an1
7-J
an2
-Feb
18
-Feb
6-M
ar2
2-M
ar7
-Apr
23
-Apr
9-M
ay2
5-M
ay1
0-J
un2
6-J
un1
2-J
ul2
8-J
ul1
3-A
ug2
9-A
ug1
4-S
ep3
0-S
ep1
6-O
ct1
-Nov
17
-Nov
3-D
ec1
9-D
ec
ND
VI
Affected crops
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
1-J
an1
7-J
an2
-Feb
18
-Feb
6-M
ar2
2-M
ar7
-Apr
23
-Apr
9-M
ay2
5-M
ay1
0-J
un2
6-J
un1
2-J
ul2
8-J
ul1
3-A
ug2
9-A
ug1
4-S
ep3
0-S
ep1
6-O
ct1
-Nov
17
-Nov
3-D
ec1
9-D
ec
ND
VI
Unaffected forests
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
1-J
an1
7-J
an2
-Feb
18
-Feb
6-M
ar2
2-M
ar7
-Apr
23
-Apr
9-M
ay2
5-M
ay1
0-J
un2
6-J
un1
2-J
ul2
8-J
ul1
3-A
ug2
9-A
ug1
4-S
ep3
0-S
ep1
6-O
ct1
-Nov
17
-Nov
3-D
ec1
9-D
ec
ND
VI
Unaffected crops
2010 NDVI 2003-2012 mean NDVI 2003-2012 range NDVI 2003-2012 ±1 σ
NDVI TRENDS IN SUMMER 2010
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2010 NDWI 2003-2012 mean NDWI 2003-2012 range NDWI 2003-2012 ±1 σ
NDWI TRENDS IN SUMMER 2010
-0.2
0
0.2
0.4
0.6
0.8
1
1-J
an1
7-J
an2
-Feb
18
-Feb
6-M
ar2
2-M
ar7
-Apr
23
-Apr
9-M
ay2
5-M
ay1
0-J
un2
6-J
un1
2-J
ul2
8-J
ul1
3-A
ug2
9-A
ug1
4-S
ep3
0-S
ep1
6-O
ct1
-Nov
17
-Nov
3-D
ec1
9-D
ec
ND
WI
Affected forests
-0.4
-0.2
0
0.2
0.4
0.6
0.8
1
1-J
an1
7-J
an2
-Feb
18
-Feb
6-M
ar2
2-M
ar7
-Apr
23
-Apr
9-M
ay2
5-M
ay1
0-J
un2
6-J
un1
2-J
ul2
8-J
ul1
3-A
ug2
9-A
ug1
4-S
ep3
0-S
ep1
6-O
ct1
-Nov
17
-Nov
3-D
ec1
9-D
ec
ND
WI
Affected crops
-0.2
0
0.2
0.4
0.6
0.8
1
1-J
an1
7-J
an2
-Feb
18
-Feb
6-M
ar2
2-M
ar7
-Apr
23
-Apr
9-M
ay2
5-M
ay1
0-J
un2
6-J
un1
2-J
ul2
8-J
ul1
3-A
ug2
9-A
ug1
4-S
ep3
0-S
ep1
6-O
ct1
-Nov
17
-Nov
3-D
ec1
9-D
ec
ND
WI
Unaffected forests
-0.4
-0.2
0
0.2
0.4
0.6
0.8
1
1-J
an1
7-J
an2
-Feb
18
-Feb
6-M
ar2
2-M
ar7
-Apr
23
-Apr
9-M
ay2
5-M
ay1
0-J
un2
6-J
un1
2-J
ul2
8-J
ul1
3-A
ug2
9-A
ug1
4-S
ep3
0-S
ep1
6-O
ct1
-Nov
17
-Nov
3-D
ec1
9-D
ec
ND
WI
Unaffected crops
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0
200,000
400,000
600,000
800,000
1,000,000
1,200,000
0
1,000,000
2,000,000
3,000,000
4,000,000
5,000,000
6,000,000
7,000,000
8,000,000
2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011
Area
bun
red
(ha) forest
wetland
shrub
grass
crop
forest burned
SUMMER 2010 IMPACT OF BURNING
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2001-2011 record of area burned from regionally-adjusted MODIS burned area algorithm in European Russia.
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0
20
40
60
80
100
120
area
of p
lant
atio
ns (
103
ha)
planting period
broadleaf dark coniferous light coniferous
FORESTRY POLICY AND DROUGHT
Dynamics of forest types in plantations of forest fund of Republic Mari El, Russia
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COMPLETE TREE MORTALITY IN 2010 FIRES
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AGRICULTURAL PRACTICES AND DROUGHT
Water consumption needs differ by crop types: spring cereal crops ~450-650 mm (for the vegetative
season) corn ~ 500-800 mm potatoes ~ 500-700 mm sugar beet ~ 550-750 mm sunflower ~ 600-1000 mm
In the market economy crop rotation is driven by crop price
Increase in sunflower and corn (almost 2X across Russia) increase in moisture demands
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SATELLITE MAPPING OF CROP GROUPS
Multi-temporal MODIS observations allow to map broad crop groups based on: the specific shape of the NDVI curve at the beginning of
the season, the date of the beginning of the vegetative season the date of seasonal NDVI maximum
Groups mapped: winter(winter wheat, winter barley, winter rye), early spring (spring barley, spring wheat) late spring (potatoes, maize, sunflower, millet, sugar
beets)
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SPATIAL VARIABILITY IN CROP DAMAGE
Impact of crop rotation: Late season crops 5 years
out of 10 - 2% of fields damaged
6 years out of 10 - 9% 7 years out of 10 - 24% 8 years out of 10 – 40%
Medvedeva et al., 2012.
Chuvashia crops damaged (black) and undamaged (gray) by 2010 drought
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POST-DROUGHT WINTER CROP PLANTING FAILURE
2009 2010Landsat-based assessment
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POST-DROUGHT WINTER CROP PLANTING FAILURE (CONT)
Russian VEGA satellite-services data
2009 2010
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CONCLUSIONS
Europe in general and Russia and Eastern Europe in particular are impacted by blocking events and associated disasters
In the past 13 years there have been fewer blocking events during June – August
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RECENT CHANGES IN FREQUENCY OF BLOCKING EVENTS: EXAMPLE FROM EUROPEAN RUSSIA
0
1
2
3
4
5
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Changes in 2001-2013 from 1979-2000
1979-2000 mean 2001-2013 mean 2010
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CONCLUSIONS
Europe in general and Russia and Eastern Europe in particular are impacted by blocking events and associated disasters
In the past 13 years there have been overall fewer blocking events during June – August
Future projections indicate a likely increase in the frequency of blocking events
Land management strategies should become an integral part of disaster preparedness planning