# Tibetan Plateau 55 Year Phenology Data 
#----------------------------------------------------------------------- 
#                World Data Service for Paleoclimatology, Boulder 
#                                  and 
#                     NOAA Paleoclimatology Program 
#             National Centers for Environmental Information (NCEI)
#----------------------------------------------------------------------- 
# Template Version 3.0
# Encoding: UTF-8
# NOTE: Please cite Publication, and Online_Resource and date accessed when using these data. 
# If there is no publication information, please cite Investigators, Title, and Online_Resource and date accessed. 
#
# Online_Resource: https://www.ncdc.noaa.gov/paleo/study/22641 
#       Description: NOAA Landing Page
# Online_Resource: https://www1.ncdc.noaa.gov/pub/data/paleo/phenology/tibetan-plateau2017.txt
#       Description: NOAA location of the template
#
# Original_Source_URL:  
#       Description:
# 
# Description/Documentation lines begin with #
# Data lines have no #
#
# Archive: Other Collections
#
# Dataset DOI: 
#
# Parameter_Keywords: 
#--------------------
# Contribution_Date
#	Date: 2017-09-10
#--------------------
# File_Last_Modified_Date
#	Date: 2017-09-10
#--------------------
# Title
#	Study_Name: Tibetan Plateau 55 Year Phenology Data 
#--------------------
# Investigators
#	Investigators: Yang, B.; He, M.; Shishov, V.; Tychkov, I.; Vaganov, E.; Rossif, S.; Ljungqvist, F.C.; Bräuning, A.; Griessinger, J.
#--------------------
# Description_Notes_and_Keywords
#	Description: Tree phenology (Start and End dates of Growing Season) for 20 locations on the Tibetan Plateau for 1960 to 2014 CE.  
#	The phenological series were derived from results of tree-ring process-based VS-Oscilloscope model.
#	Provided Keywords: Tree rings, cambial activity, plant phenology, climate change, Tibetan Plateau
#--------------------
# Publication 
#	Authors: Bao Yang, Minhui He, Vladimir Shishov, Ivan Tychkov, Eugene Vaganov, Sergio Rossif, Fredrik Charpentier Ljungqvist, Achim Bräuning, and Jussi Griessinger 
#	Published_Date_or_Year: 2017-07-03       
#	Published_Title: New perspective on spring vegetation phenology and global climate change based on Tibetan Plateau tree-ring data
#	Journal_Name: Proceedings of the National Academy of Sciences
#	Volume: 114
#	Edition: 
#	Issue: 27
#	Pages: 6966-6971 
#	Report_Number: 
#	DOI: 10.1073/pnas.1616608114 
#	Online_Resource: http://www.pnas.org/content/114/27/6966
#	Full_Citation: 
#	Abstract: Phenological responses of vegetation to climate, in particular to the ongoing warming trend, have received much attention. However, divergent results from the analyses of remote sensing data have been obtained for the Tibetan Plateau (TP), the world's largest high-elevation region. This study provides a perspective on vegetation phenology shifts during 1960-2014, gained using an innovative approach based on a well-validated, process-based, tree-ring growth model that is independent of temporal changes in technical properties and image quality of remote sensing products. Twenty composite site chronologies were analyzed, comprising about 3,000 trees from forested areas across the TP. We found that the start of the growing season (SOS) has advanced, on average, by 0.28 d/y over the period 1960-2014. The end of the growing season (EOS) has been delayed, by an estimated 0.33 d/y during 1982-2014. No significant changes in SOS or EOS were observed during 1960-1981. April-June and August-September minimum temperatures are the main climatic drivers for SOS and EOS, respectively. An increase of 1C in April-June minimum temperature shifted the dates of xylem phenology by 6 to 7 d, lengthening the period of tree-ring formation. This study extends the chronology of TP phenology farther back in time and reconciles the disparate views on SOS derived from remote sensing data. Scaling up this analysis may improve understanding of climate change effects and related phenological and plant productivity on a global scale.
#------------------
# Funding_Agency 
#	Funding_Agency_Name: National Science Foundation of China (NSFC)
#	Grant: 41520104005, 41325008, 41661144008
#------------------
# Funding_Agency 
#	Funding_Agency_Name: Russian Science Foundation (RSF)
#	Grant: 14-14-00219P
#------------------
# Funding_Agency 
#	Funding_Agency_Name: Chinese Academy of Sciences 
#	Grant: President’s International Fellowship for Visiting Scientists (VEC) 2016VEC033
#------------------
# Funding_Agency 
#	Funding_Agency_Name: Alexander von Humboldt Foundation
#	Grant: 
#------------------
# Site_Information 
#	Site_Name: Tibetan Plateau
#	Location: Asia>Eastern Asia>China
#	Country: China
#	Northernmost_Latitude: 40.0 
# 	Southernmost_Latitude: 27.0 
# 	Easternmost_Longitude: 103.0
# 	Westernmost_Longitude: 87.0 
# 	Elevation:  4000 m
#------------------
# Data_Collection   
#	Collection_Name: Yang2017phenology
#	Earliest_Year: 1960
#	Most_Recent_Year: 2014
#	Time_Unit:  CE
#	Core_Length: 
#	Notes: 
#------------------
# Species 
#	Species_Name: Juniperus spp., Juniperus tibetica Kom., Cypress Cupressus gigantean, Abies forestii Rogers., Picea likiangensis (Franchet) Pritzel., Tsuga dumosa (D. Don) Eichler., Sabina saltuaria.
#	Common_Name: 
#	Tree_Species_Code: 
#------------------
# Chronology_Information
#	Chronology: 
# 	
#----------------	
# Variables 
#
# Data variables follow are preceded by "##" in columns one and two.
# Data line variables format:  one per line, shortname-tab-variable components (what, material, error, units, seasonality, data type,detail, method, C or N for Character or Numeric data, free text) 
#
## age_CE	age, , , CE, , , , ,N,
## QFsos	Start of growing Season (SOS)location QF, , , day of year, ,other collections,,,N,
## DLHsos	Start of growing Season (SOS)location DLH, , , day of year, ,other collections,,,N,
## SDLsos	Start of growing Season (SOS)location SDL, , , day of year, ,other collections,,,N,
## YKSsos	Start of growing Season (SOS)location YKS, , , day of year, ,other collections,,,N,
## MQsos	Start of growing Season (SOS)location MQ, , , day of year, ,other collections,,,N,
## ZQsos	Start of growing Season (SOS)location ZQ, , , day of year, ,other collections,,,N,
## NMTsos	Start of growing Season (SOS)location NMT, , , day of year, ,other collections,,,N,
## LZsos	Start of growing Season (SOS)location LZ, , , day of year, ,other collections,,,N,
## ZNsos	Start of growing Season (SOS)location ZN, , , day of year, ,other collections,,,N,
## XTMsos	Start of growing Season (SOS)location XTM, , , day of year, ,other collections,,,N,
## QMLsos	Start of growing Season (SOS)location QML, , , day of year, ,other collections,,,N,
## QDsos	Start of growing Season (SOS)location QD, , , day of year, ,other collections,,,N,
## SBsos	Start of growing Season (SOS)location SB, , , day of year, ,other collections,,,N,
## JLsos	Start of growing Season (SOS)location JL, , , day of year, ,other collections,,,N,
## HDSsos	Start of growing Season (SOS)location HDS, , , day of year, ,other collections,,,N,
## XLsos	Start of growing Season (SOS)location XL, , , day of year, ,other collections,,,N,
## YJsos	Start of growing Season (SOS)location YJ, , , day of year, ,other collections,,,N,
## MYLsos	Start of growing Season (SOS)location MYL, , , day of year, ,other collections,,,N,
## WLsos	Start of growing Season (SOS)location WL, , , day of year, ,other collections,,,N,
## LLsos	Start of growing Season (SOS)location LL, , , day of year, ,other collections,,,N,
## QFeos	End of growing Season (EOS)location QF, , , day of year, ,other collections,,,N,
## DLHeos	End of growing Season (EOS)location DLH, , , day of year, ,other collections,,,N,
## SDLeos	End of growing Season (EOS)location SDL, , , day of year, ,other collections,,,N,
## YKSeos	End of growing Season (EOS)location YKS, , , day of year, ,other collections,,,N,
## MQeos	End of growing Season (EOS)location MQ, , , day of year, ,other collections,,,N,
## ZQeos	End of growing Season (EOS)location ZQ, , , day of year, ,other collections,,,N,
## NMTeos	End of growing Season (EOS)location NMT, , , day of year, ,other collections,,,N,
## LZeos	End of growing Season (EOS)location LZ, , , day of year, ,other collections,,,N,
## ZNeos	End of growing Season (EOS)location ZN, , , day of year, ,other collections,,,N,
## XTMeos	End of growing Season (EOS)location XTM, , , day of year, ,other collections,,,N,
## QMLeos	End of growing Season (EOS)location QML, , , day of year, ,other collections,,,N,
## QDeos	End of growing Season (EOS)location QD, , , day of year, ,other collections,,,N,
## SBeos	End of growing Season (EOS)location SB, , , day of year, ,other collections,,,N,
## JLeos	End of growing Season (EOS)location JL, , , day of year, ,other collections,,,N,
## HDSeos	End of growing Season (EOS)location HDS, , , day of year, ,other collections,,,N,
## XLeos	End of growing Season (EOS)location XL, , , day of year, ,other collections,,,N,
## YJeos	End of growing Season (EOS)location YJ, , , day of year, ,other collections,,,N,
## MYLeos	End of growing Season (EOS)location MYL, , , day of year, ,other collections,,,N,
## WLeos	End of growing Season (EOS)location WL, , , day of year, ,other collections,,,N,
## LLeos	End of growing Season (EOS)location LL, , , day of year, ,other collections,,,N,
#
#----------------
# Data:
# Data lines follow (have no #)
# Data line format - tab-delimited text, variable short name as header
# Missing Values: 999
# Vegetation phenological variability on the Tibetan Plateau
#
age_CE	QFsos	DLHsos	SDLsos	YKSsos	MQsos	ZQsos	NMTsos	LZsos	ZNsos	XTMsos	QMLsos	QDsos	SBsos	JLsos	HDSsos	XLsos	YJsos	MYLsos	WLsos	LLsos	QFeos	DLHeos	SDLeos	YKSeos	MQeos	ZQeos	NMTeos	LZeos	ZNeos	XTMeos	QMLeos	QDeos	SBeos	JLeos	HDSeos	XLeos	YJeos	MYLeos	WLeos	LLeos
1960	147	166	999	179	999	999	999	999	999	166	174	163	999	171	152	999	999	166	179	999	258	259	999	261	999	999	999	999	999	260	237	261	999	260	279	999	999	239	236	999
1961	165	169	167	178	132	154	151	999	180	179	167	181	154	172	164	164	164	171	165	999	255	259	249	258	261	246	245	999	257	255	250	246	260	259	288	292	292	245	208	999
1962	189	157	177	182	121	166	165	999	153	167	169	162	154	173	156	154	154	152	164	156	265	261	242	259	285	243	244	999	239	244	214	244	260	246	284	285	284	243	231	264
1963	157	134	183	156	139	138	151	999	138	166	182	168	165	165	172	136	136	177	156	174	258	263	265	268	270	267	265	999	267	267	251	267	268	268	269	279	278	268	256	268
1964	151	170	153	145	139	139	164	154	182	175	177	166	165	176	155	141	141	170	187	159	258	260	260	261	263	260	247	248	246	248	244	260	262	261	277	282	279	259	258	263
1965	138	159	173	154	139	150	165	174	172	165	171	164	153	168	153	153	153	166	187	145	249	259	252	253	259	254	253	260	260	256	252	255	258	261	263	259	259	237	263	260
1966	184	209	179	154	132	169	190	182	150	196	183	175	183	183	179	135	135	172	174	170	251	257	256	258	260	247	247	257	240	248	246	248	258	258	272	259	259	246	238	260
1967	142	143	157	123	133	152	151	167	168	171	184	167	167	171	152	143	144	168	183	175	254	257	255	258	258	225	252	245	256	253	253	255	255	256	267	266	264	255	238	258
1968	177	177	177	177	125	167	167	171	176	177	183	177	166	162	172	127	127	167	194	163	250	262	254	267	269	256	257	258	267	256	255	259	256	259	280	276	276	257	264	269
1969	187	134	180	186	110	137	173	140	173	167	174	174	158	179	142	136	136	142	151	175	246	250	243	271	274	249	247	253	253	248	245	256	250	253	278	280	274	248	272	252
1970	150	163	187	183	127	149	178	185	175	164	168	167	156	170	161	149	149	179	184	163	250	254	253	270	272	255	254	244	242	244	253	254	245	243	273	272	272	256	269	255
1971	191	163	190	180	170	153	186	166	162	155	185	155	155	164	155	158	158	162	182	153	258	263	259	264	267	263	251	262	267	239	261	264	266	265	281	283	281	260	256	270
1972	129	173	168	133	132	149	145	205	158	184	185	179	180	186	152	149	149	147	169	148	248	270	251	268	271	252	251	251	248	250	248	250	251	252	276	272	272	249	250	255
1973	142	169	172	165	134	162	172	172	150	175	191	172	153	180	152	138	138	172	179	151	258	262	255	265	283	266	253	258	258	256	255	268	257	258	282	290	289	244	261	281
1974	170	146	170	170	123	147	147	159	144	163	170	156	150	161	160	143	143	157	195	159	256	258	252	258	265	259	241	252	241	245	249	259	251	261	296	292	291	243	260	262
1975	166	178	166	166	145	157	158	172	193	159	159	166	159	177	160	140	140	158	188	167	255	273	258	274	277	258	256	252	247	256	256	258	257	257	276	289	277	250	255	261
1976	146	153	152	168	151	149	164	172	170	172	205	170	171	171	147	148	148	169	204	170	251	265	254	263	267	252	249	242	258	244	253	247	255	256	270	269	268	247	238	267
1977	155	169	164	170	145	167	172	167	163	169	182	170	168	192	168	169	169	166	180	169	252	261	261	263	263	262	261	259	261	262	261	263	263	262	281	273	264	230	263	263
1978	134	150	177	153	159	152	168	159	138	169	195	173	159	174	154	150	150	163	181	152	249	252	253	255	255	249	252	254	238	253	252	254	254	254	271	269	269	254	233	256
1979	169	168	183	159	155	146	169	185	175	183	167	167	171	175	138	135	135	152	193	161	254	259	248	265	268	235	249	250	250	249	248	248	249	250	263	276	259	248	265	249
1980	142	169	158	137	143	162	160	163	157	168	166	167	167	166	163	168	168	158	184	164	258	260	252	262	267	262	253	268	263	261	262	264	264	268	271	271	267	254	252	267
1981	147	158	167	154	131	161	159	171	152	167	161	159	155	163	162	160	160	157	170	156	254	249	256	259	261	245	253	259	259	258	256	259	259	260	268	283	267	256	221	258
1982	145	152	152	146	144	172	154	168	162	168	155	168	157	157	153	136	136	155	147	167	251	263	255	258	263	252	254	263	269	256	256	256	257	257	268	278	257	252	254	257
1983	136	148	164	134	134	171	141	185	232	176	170	171	171	177	152	145	145	166	208	170	254	265	252	255	271	234	252	269	256	249	253	255	269	270	282	293	280	236	263	271
1984	139	166	153	134	121	166	154	168	162	165	160	159	160	160	156	154	155	156	202	162	253	262	235	259	261	233	243	248	243	248	235	245	249	249	258	287	287	235	219	260
1985	145	133	156	136	123	172	167	170	173	165	166	165	163	163	167	135	135	158	202	162	252	256	255	261	261	247	257	259	259	259	258	262	260	260	268	266	265	261	258	264
1986	147	138	135	132	130	152	151	191	198	178	168	167	172	177	159	141	142	161	180	178	248	251	247	258	260	232	248	257	259	252	248	251	255	257	263	264	263	236	273	256
1987	162	143	151	143	140	157	142	187	188	183	162	163	162	175	156	146	146	165	196	158	257	256	249	262	268	232	249	254	249	255	249	249	261	261	269	270	250	247	256	268
1988	137	127	154	127	127	158	126	169	175	167	160	167	153	168	161	161	161	157	179	156	261	257	257	261	276	237	254	262	255	253	251	252	264	264	292	297	259	249	229	260
1989	185	129	145	144	129	162	160	142	181	167	162	156	163	157	152	148	148	157	197	149	252	257	259	280	280	257	257	259	262	258	258	259	263	259	282	281	280	255	270	261
1990	138	134	156	141	133	163	156	152	147	163	167	163	155	154	164	146	146	165	166	154	264	263	259	269	261	248	256	260	262	260	258	258	261	260	261	260	260	246	241	261
1991	161	179	143	141	138	150	148	166	159	169	163	160	166	165	153	148	148	164	164	160	257	259	254	266	270	242	250	245	243	244	243	244	253	255	284	292	268	242	260	267
1992	150	149	154	131	134	151	154	167	152	172	160	151	164	165	155	156	156	151	162	151	250	260	261	270	271	237	259	263	269	261	261	263	264	263	273	272	271	234	209	271
1993	148	146	150	145	127	160	157	171	165	170	169	155	168	167	168	155	170	168	165	167	252	270	253	253	266	242	244	245	245	244	243	242	252	245	289	266	266	241	271	267
1994	136	155	157	130	127	164	152	149	171	164	163	160	163	161	148	162	162	156	139	158	250	268	264	268	272	264	264	269	276	271	271	273	272	272	277	277	277	263	254	276
1995	195	191	164	154	167	146	167	185	183	182	165	171	174	170	149	139	139	141	152	136	251	264	262	264	264	229	258	261	263	260	261	263	264	263	264	266	265	258	253	267
1996	145	163	163	141	127	167	151	167	177	175	167	166	166	167	172	155	156	153	168	166	247	274	250	273	264	246	255	255	258	256	251	255	258	259	284	288	275	255	271	263
1997	124	145	153	126	128	174	153	159	168	173	166	160	167	172	160	136	136	174	156	156	257	259	259	261	261	248	258	256	257	259	258	258	260	261	269	263	258	258	260	261
1998	196	162	139	128	117	159	142	179	176	186	167	174	181	171	143	125	125	161	173	144	261	264	265	267	274	249	266	271	274	269	251	269	271	272	289	285	284	243	263	273
1999	133	156	157	151	136	158	159	145	173	154	157	146	152	146	150	153	153	154	169	146	262	263	262	265	280	244	258	258	247	259	259	261	261	263	288	289	284	245	276	264
2000	147	147	154	162	177	157	166	154	139	154	155	154	154	154	154	155	155	152	181	156	251	266	256	263	288	253	253	262	262	256	254	261	261	260	260	263	260	243	274	264
2001	134	217	163	167	171	157	156	161	143	164	167	162	162	163	145	174	175	160	168	161	259	272	271	272	277	271	271	264	275	256	271	271	270	272	290	275	274	267	255	274
2002	147	134	150	117	133	155	155	159	138	168	154	156	157	157	157	142	142	153	177	152	251	257	259	265	268	258	259	251	250	259	260	264	260	259	280	266	266	259	269	266
2003	144	146	147	144	134	148	149	152	147	163	168	148	152	152	150	150	150	148	175	147	262	272	250	275	277	249	250	266	278	265	250	265	267	277	286	278	266	247	273	276
2004	145	131	151	131	116	164	163	165	133	169	148	147	164	168	151	150	150	152	181	149	259	257	256	256	276	253	254	257	277	256	254	255	257	260	280	257	257	252	275	262
2005	135	145	150	162	117	149	149	152	147	164	169	150	149	147	151	154	155	147	165	172	257	274	265	277	280	251	253	275	278	261	253	279	277	278	284	285	280	264	275	278
2006	137	169	150	125	122	154	146	149	148	150	163	150	148	148	152	157	158	153	168	149	251	273	254	258	281	255	254	257	265	256	255	256	257	258	282	282	262	258	254	278
2007	131	163	136	128	143	143	143	187	162	167	180	147	152	167	146	146	146	151	148	142	259	258	264	281	285	242	248	277	286	288	286	288	289	290	289	290	290	247	275	285
2008	137	161	136	128	149	159	155	148	147	159	149	146	151	147	151	149	149	167	162	178	255	271	273	278	281	244	272	248	279	244	258	274	245	247	280	279	279	259	271	279
2009	138	141	144	130	106	165	145	143	180	158	158	158	145	144	146	120	130	165	176	156	250	267	266	273	280	265	265	265	269	264	265	266	265	268	286	293	271	266	280	270
2010	141	128	146	143	120	164	165	157	190	170	164	142	158	143	151	146	146	146	173	152	249	269	271	272	276	254	269	272	277	271	270	272	272	273	280	277	275	254	267	272
2011	135	155	137	145	136	156	153	165	177	166	162	153	165	151	149	134	149	156	165	154	253	271	253	271	275	239	253	271	276	266	255	271	268	270	281	276	276	256	262	272
2012	128	133	151	131	127	161	150	177	175	157	162	153	155	178	145	130	131	152	167	154	257	268	258	261	279	247	246	270	260	249	248	259	266	278	288	286	285	250	261	261
2013	124	119	142	129	113	155	144	153	158	158	146	149	149	145	148	149	150	151	162	144	261	252	252	277	279	252	249	253	254	251	250	253	252	252	280	279	271	252	209	256
2014	143	163	148	155	157	154	167	166	182	162	170	160	152	165	147	142	142	137	156	144	258	260	263	269	285	259	260	264	263	261	262	265	265	269	278	277	272	266	284	269